Home / 740,862.52-1,111,293.78-492,030.52

Finding the Fourth Proportional to 740,862.52, 1,111,293.78 and 492,030.52

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Solution

The fourth proportional to 740,862.52, 1,111,293.78 and 492,030.52 is: 738,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,862.52 : 1,111,293.78 = 492,030.52 : x
  2. Step 2: Convert to fraction form
    740,862.52/1,111,293.78 = 492,030.52/x
  3. Step 3: Cross multiply
    740,862.52x = 1,111,293.78 × 492,030.52
  4. Step 4: Simplify right side
    740,862.52x = 546,790,456,446.17
  5. Step 5: Solve for x
    x = 546,790,456,446.17/740,862.52
  6. Step 6: Final answer
    x = 738,045.78

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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.