Home / 1,055,711.86-1,581,010.55-730,588.92

Finding the Fourth Proportional to 1,055,711.86, 1,581,010.55 and 730,588.92

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Solution

The fourth proportional to 1,055,711.86, 1,581,010.55 and 730,588.92 is: 1,094,113.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,711.86 : 1,581,010.55 = 730,588.92 : x
  2. Step 2: Convert to fraction form
    1,055,711.86/1,581,010.55 = 730,588.92/x
  3. Step 3: Cross multiply
    1,055,711.86x = 1,581,010.55 × 730,588.92
  4. Step 4: Simplify right side
    1,055,711.86x = 1,155,068,786,580.16
  5. Step 5: Solve for x
    x = 1,155,068,786,580.16/1,055,711.86
  6. Step 6: Final answer
    x = 1,094,113.68

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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.