Home / 903,470.77-1,246,767.18-516,261.62

Finding the Fourth Proportional to 903,470.77, 1,246,767.18 and 516,261.62

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Solution

The fourth proportional to 903,470.77, 1,246,767.18 and 516,261.62 is: 712,428.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,470.77 : 1,246,767.18 = 516,261.62 : x
  2. Step 2: Convert to fraction form
    903,470.77/1,246,767.18 = 516,261.62/x
  3. Step 3: Cross multiply
    903,470.77x = 1,246,767.18 × 516,261.62
  4. Step 4: Simplify right side
    903,470.77x = 643,658,038,277.50
  5. Step 5: Solve for x
    x = 643,658,038,277.50/903,470.77
  6. Step 6: Final answer
    x = 712,428.19

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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.