Home / 916,403.92-1,374,156.16-376,562.40

Finding the Fourth Proportional to 916,403.92, 1,374,156.16 and 376,562.40

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Solution

The fourth proportional to 916,403.92, 1,374,156.16 and 376,562.40 is: 564,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,403.92 : 1,374,156.16 = 376,562.40 : x
  2. Step 2: Convert to fraction form
    916,403.92/1,374,156.16 = 376,562.40/x
  3. Step 3: Cross multiply
    916,403.92x = 1,374,156.16 × 376,562.40
  4. Step 4: Simplify right side
    916,403.92x = 517,455,541,584.38
  5. Step 5: Solve for x
    x = 517,455,541,584.38/916,403.92
  6. Step 6: Final answer
    x = 564,658.80

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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.