Home / 764,476.07-1,146,852.50-314,947.13

Finding the Fourth Proportional to 764,476.07, 1,146,852.50 and 314,947.13

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Solution

The fourth proportional to 764,476.07, 1,146,852.50 and 314,947.13 is: 472,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,476.07 : 1,146,852.50 = 314,947.13 : x
  2. Step 2: Convert to fraction form
    764,476.07/1,146,852.50 = 314,947.13/x
  3. Step 3: Cross multiply
    764,476.07x = 1,146,852.50 × 314,947.13
  4. Step 4: Simplify right side
    764,476.07x = 361,197,896,099.33
  5. Step 5: Solve for x
    x = 361,197,896,099.33/764,476.07
  6. Step 6: Final answer
    x = 472,477.70

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Half scale
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Double scale
Find fourth proportional to 764,477.07, 1,146,854 and 314,948.13
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.