Home / 921,154.22-1,271,195.46-534,044.90

Finding the Fourth Proportional to 921,154.22, 1,271,195.46 and 534,044.90

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Solution

The fourth proportional to 921,154.22, 1,271,195.46 and 534,044.90 is: 736,983.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,154.22 : 1,271,195.46 = 534,044.90 : x
  2. Step 2: Convert to fraction form
    921,154.22/1,271,195.46 = 534,044.90/x
  3. Step 3: Cross multiply
    921,154.22x = 1,271,195.46 × 534,044.90
  4. Step 4: Simplify right side
    921,154.22x = 678,875,452,316.15
  5. Step 5: Solve for x
    x = 678,875,452,316.15/921,154.22
  6. Step 6: Final answer
    x = 736,983.49

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Double scale
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Similar ratio
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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.