Home / 961,610.60-1,440,666.30-783,151.40

Finding the Fourth Proportional to 961,610.60, 1,440,666.30 and 783,151.40

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Solution

The fourth proportional to 961,610.60, 1,440,666.30 and 783,151.40 is: 1,173,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,610.60 : 1,440,666.30 = 783,151.40 : x
  2. Step 2: Convert to fraction form
    961,610.60/1,440,666.30 = 783,151.40/x
  3. Step 3: Cross multiply
    961,610.60x = 1,440,666.30 × 783,151.40
  4. Step 4: Simplify right side
    961,610.60x = 1,128,259,829,777.82
  5. Step 5: Solve for x
    x = 1,128,259,829,777.82/961,610.60
  6. Step 6: Final answer
    x = 1,173,302.20

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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.