Home / 750,515.60-1,125,773.40-376,403.60

Finding the Fourth Proportional to 750,515.60, 1,125,773.40 and 376,403.60

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Solution

The fourth proportional to 750,515.60, 1,125,773.40 and 376,403.60 is: 564,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,515.60 : 1,125,773.40 = 376,403.60 : x
  2. Step 2: Convert to fraction form
    750,515.60/1,125,773.40 = 376,403.60/x
  3. Step 3: Cross multiply
    750,515.60x = 1,125,773.40 × 376,403.60
  4. Step 4: Simplify right side
    750,515.60x = 423,745,160,544.24
  5. Step 5: Solve for x
    x = 423,745,160,544.24/750,515.60
  6. Step 6: Final answer
    x = 564,605.40

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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.