Home / 497,500.30-686,552.75-282,652.17

Finding the Fourth Proportional to 497,500.30, 686,552.75 and 282,652.17

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Solution

The fourth proportional to 497,500.30, 686,552.75 and 282,652.17 is: 390,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,500.30 : 686,552.75 = 282,652.17 : x
  2. Step 2: Convert to fraction form
    497,500.30/686,552.75 = 282,652.17/x
  3. Step 3: Cross multiply
    497,500.30x = 686,552.75 × 282,652.17
  4. Step 4: Simplify right side
    497,500.30x = 194,055,624,606.97
  5. Step 5: Solve for x
    x = 194,055,624,606.97/497,500.30
  6. Step 6: Final answer
    x = 390,061.32

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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.