Home / 810,074.25-1,117,902.47-452,378.25

Finding the Fourth Proportional to 810,074.25, 1,117,902.47 and 452,378.25

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Solution

The fourth proportional to 810,074.25, 1,117,902.47 and 452,378.25 is: 624,281.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,074.25 : 1,117,902.47 = 452,378.25 : x
  2. Step 2: Convert to fraction form
    810,074.25/1,117,902.47 = 452,378.25/x
  3. Step 3: Cross multiply
    810,074.25x = 1,117,902.47 × 452,378.25
  4. Step 4: Simplify right side
    810,074.25x = 505,714,760,787.39
  5. Step 5: Solve for x
    x = 505,714,760,787.39/810,074.25
  6. Step 6: Final answer
    x = 624,281.99

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Half scale
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Double scale
Find fourth proportional to 810,075.25, 1,117,903.85 and 452,379.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.