Home / 516,280.02-712,568.44-329,892.34

Finding the Fourth Proportional to 516,280.02, 712,568.44 and 329,892.34

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Solution

The fourth proportional to 516,280.02, 712,568.44 and 329,892.34 is: 455,316.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,280.02 : 712,568.44 = 329,892.34 : x
  2. Step 2: Convert to fraction form
    516,280.02/712,568.44 = 329,892.34/x
  3. Step 3: Cross multiply
    516,280.02x = 712,568.44 × 329,892.34
  4. Step 4: Simplify right side
    516,280.02x = 235,070,870,081.75
  5. Step 5: Solve for x
    x = 235,070,870,081.75/516,280.02
  6. Step 6: Final answer
    x = 455,316.61

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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.