Home / 813,156.48-1,122,343.20-541,235.16

Finding the Fourth Proportional to 813,156.48, 1,122,343.20 and 541,235.16

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Solution

The fourth proportional to 813,156.48, 1,122,343.20 and 541,235.16 is: 747,029.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,156.48 : 1,122,343.20 = 541,235.16 : x
  2. Step 2: Convert to fraction form
    813,156.48/1,122,343.20 = 541,235.16/x
  3. Step 3: Cross multiply
    813,156.48x = 1,122,343.20 × 541,235.16
  4. Step 4: Simplify right side
    813,156.48x = 607,451,601,426.91
  5. Step 5: Solve for x
    x = 607,451,601,426.91/813,156.48
  6. Step 6: Final answer
    x = 747,029.16

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Double scale
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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.