Home / 781,721.76-1,171,010.14-592,505.76

Finding the Fourth Proportional to 781,721.76, 1,171,010.14 and 592,505.76

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Solution

The fourth proportional to 781,721.76, 1,171,010.14 and 592,505.76 is: 887,566.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,721.76 : 1,171,010.14 = 592,505.76 : x
  2. Step 2: Convert to fraction form
    781,721.76/1,171,010.14 = 592,505.76/x
  3. Step 3: Cross multiply
    781,721.76x = 1,171,010.14 × 592,505.76
  4. Step 4: Simplify right side
    781,721.76x = 693,830,252,968.41
  5. Step 5: Solve for x
    x = 693,830,252,968.41/781,721.76
  6. Step 6: Final answer
    x = 887,566.76

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1.5x scale

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.