Home / 563,734.08-845,601.12-487,606.38

Finding the Fourth Proportional to 563,734.08, 845,601.12 and 487,606.38

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Solution

The fourth proportional to 563,734.08, 845,601.12 and 487,606.38 is: 731,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,734.08 : 845,601.12 = 487,606.38 : x
  2. Step 2: Convert to fraction form
    563,734.08/845,601.12 = 487,606.38/x
  3. Step 3: Cross multiply
    563,734.08x = 845,601.12 × 487,606.38
  4. Step 4: Simplify right side
    563,734.08x = 412,320,501,047.15
  5. Step 5: Solve for x
    x = 412,320,501,047.15/563,734.08
  6. Step 6: Final answer
    x = 731,409.57

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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.