Home / 497,474.33-686,516.88-282,626.18

Finding the Fourth Proportional to 497,474.33, 686,516.88 and 282,626.18

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Solution

The fourth proportional to 497,474.33, 686,516.88 and 282,626.18 is: 390,025.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,474.33 : 686,516.88 = 282,626.18 : x
  2. Step 2: Convert to fraction form
    497,474.33/686,516.88 = 282,626.18/x
  3. Step 3: Cross multiply
    497,474.33x = 686,516.88 × 282,626.18
  4. Step 4: Simplify right side
    497,474.33x = 194,027,639,867.33
  5. Step 5: Solve for x
    x = 194,027,639,867.33/497,474.33
  6. Step 6: Final answer
    x = 390,025.43

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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.