Home / 709,799.28-1,063,812.85-354,914.79

Finding the Fourth Proportional to 709,799.28, 1,063,812.85 and 354,914.79

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Solution

The fourth proportional to 709,799.28, 1,063,812.85 and 354,914.79 is: 531,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,799.28 : 1,063,812.85 = 354,914.79 : x
  2. Step 2: Convert to fraction form
    709,799.28/1,063,812.85 = 354,914.79/x
  3. Step 3: Cross multiply
    709,799.28x = 1,063,812.85 × 354,914.79
  4. Step 4: Simplify right side
    709,799.28x = 377,562,914,257.05
  5. Step 5: Solve for x
    x = 377,562,914,257.05/709,799.28
  6. Step 6: Final answer
    x = 531,929.13

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Double scale
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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.