Home / 740,861.52-1,111,292.28-492,029.52

Finding the Fourth Proportional to 740,861.52, 1,111,292.28 and 492,029.52

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Solution

The fourth proportional to 740,861.52, 1,111,292.28 and 492,029.52 is: 738,044.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,861.52 : 1,111,292.28 = 492,029.52 : x
  2. Step 2: Convert to fraction form
    740,861.52/1,111,292.28 = 492,029.52/x
  3. Step 3: Cross multiply
    740,861.52x = 1,111,292.28 × 492,029.52
  4. Step 4: Simplify right side
    740,861.52x = 546,788,607,108.11
  5. Step 5: Solve for x
    x = 546,788,607,108.11/740,861.52
  6. Step 6: Final answer
    x = 738,044.28

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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.