Home / 664,716.20-997,074.30-629,724.20

Finding the Fourth Proportional to 664,716.20, 997,074.30 and 629,724.20

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Solution

The fourth proportional to 664,716.20, 997,074.30 and 629,724.20 is: 944,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,716.20 : 997,074.30 = 629,724.20 : x
  2. Step 2: Convert to fraction form
    664,716.20/997,074.30 = 629,724.20/x
  3. Step 3: Cross multiply
    664,716.20x = 997,074.30 × 629,724.20
  4. Step 4: Simplify right side
    664,716.20x = 627,881,815,908.06
  5. Step 5: Solve for x
    x = 627,881,815,908.06/664,716.20
  6. Step 6: Final answer
    x = 944,586.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 664,717.20, 997,075.80 and 629,725.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.