Home / 754,850.86-1,041,710.07-415,319.74

Finding the Fourth Proportional to 754,850.86, 1,041,710.07 and 415,319.74

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Solution

The fourth proportional to 754,850.86, 1,041,710.07 and 415,319.74 is: 573,149.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,850.86 : 1,041,710.07 = 415,319.74 : x
  2. Step 2: Convert to fraction form
    754,850.86/1,041,710.07 = 415,319.74/x
  3. Step 3: Cross multiply
    754,850.86x = 1,041,710.07 × 415,319.74
  4. Step 4: Simplify right side
    754,850.86x = 432,642,755,427.78
  5. Step 5: Solve for x
    x = 432,642,755,427.78/754,850.86
  6. Step 6: Final answer
    x = 573,149.98

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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.