Home / 992,856.87-1,487,877.39-415,858.55

Finding the Fourth Proportional to 992,856.87, 1,487,877.39 and 415,858.55

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Solution

The fourth proportional to 992,856.87, 1,487,877.39 and 415,858.55 is: 623,198.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,856.87 : 1,487,877.39 = 415,858.55 : x
  2. Step 2: Convert to fraction form
    992,856.87/1,487,877.39 = 415,858.55/x
  3. Step 3: Cross multiply
    992,856.87x = 1,487,877.39 × 415,858.55
  4. Step 4: Simplify right side
    992,856.87x = 618,746,526,543.80
  5. Step 5: Solve for x
    x = 618,746,526,543.80/992,856.87
  6. Step 6: Final answer
    x = 623,198.11

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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.