Home / 657,935.20-985,590.60-377,124.40

Finding the Fourth Proportional to 657,935.20, 985,590.60 and 377,124.40

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Solution

The fourth proportional to 657,935.20, 985,590.60 and 377,124.40 is: 564,934.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,935.20 : 985,590.60 = 377,124.40 : x
  2. Step 2: Convert to fraction form
    657,935.20/985,590.60 = 377,124.40/x
  3. Step 3: Cross multiply
    657,935.20x = 985,590.60 × 377,124.40
  4. Step 4: Simplify right side
    657,935.20x = 371,690,263,670.64
  5. Step 5: Solve for x
    x = 371,690,263,670.64/657,935.20
  6. Step 6: Final answer
    x = 564,934.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.