Home / 877,738.78-1,316,608.17-246,652.59

Finding the Fourth Proportional to 877,738.78, 1,316,608.17 and 246,652.59

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Solution

The fourth proportional to 877,738.78, 1,316,608.17 and 246,652.59 is: 369,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,738.78 : 1,316,608.17 = 246,652.59 : x
  2. Step 2: Convert to fraction form
    877,738.78/1,316,608.17 = 246,652.59/x
  3. Step 3: Cross multiply
    877,738.78x = 1,316,608.17 × 246,652.59
  4. Step 4: Simplify right side
    877,738.78x = 324,744,820,545.42
  5. Step 5: Solve for x
    x = 324,744,820,545.42/877,738.78
  6. Step 6: Final answer
    x = 369,978.89

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.