Home / 497,130.14-686,068.92-374,406.02

Finding the Fourth Proportional to 497,130.14, 686,068.92 and 374,406.02

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Solution

The fourth proportional to 497,130.14, 686,068.92 and 374,406.02 is: 516,702.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,130.14 : 686,068.92 = 374,406.02 : x
  2. Step 2: Convert to fraction form
    497,130.14/686,068.92 = 374,406.02/x
  3. Step 3: Cross multiply
    497,130.14x = 686,068.92 × 374,406.02
  4. Step 4: Simplify right side
    497,130.14x = 256,868,333,782.90
  5. Step 5: Solve for x
    x = 256,868,333,782.90/497,130.14
  6. Step 6: Final answer
    x = 516,702.39

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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.