Home / 746,143.96-1,118,156.08-574,717.56

Finding the Fourth Proportional to 746,143.96, 1,118,156.08 and 574,717.56

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Solution

The fourth proportional to 746,143.96, 1,118,156.08 and 574,717.56 is: 861,259.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,143.96 : 1,118,156.08 = 574,717.56 : x
  2. Step 2: Convert to fraction form
    746,143.96/1,118,156.08 = 574,717.56/x
  3. Step 3: Cross multiply
    746,143.96x = 1,118,156.08 × 574,717.56
  4. Step 4: Simplify right side
    746,143.96x = 642,623,933,996.77
  5. Step 5: Solve for x
    x = 642,623,933,996.77/746,143.96
  6. Step 6: Final answer
    x = 861,259.98

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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.