Home / 838,218.17-1,156,708.93-475,620.41

Finding the Fourth Proportional to 838,218.17, 1,156,708.93 and 475,620.41

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Solution

The fourth proportional to 838,218.17, 1,156,708.93 and 475,620.41 is: 656,337.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,218.17 : 1,156,708.93 = 475,620.41 : x
  2. Step 2: Convert to fraction form
    838,218.17/1,156,708.93 = 475,620.41/x
  3. Step 3: Cross multiply
    838,218.17x = 1,156,708.93 × 475,620.41
  4. Step 4: Simplify right side
    838,218.17x = 550,154,372,962.97
  5. Step 5: Solve for x
    x = 550,154,372,962.97/838,218.17
  6. Step 6: Final answer
    x = 656,337.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.