Home / 558,020.20-837,030.30-488,036.20

Finding the Fourth Proportional to 558,020.20, 837,030.30 and 488,036.20

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Solution

The fourth proportional to 558,020.20, 837,030.30 and 488,036.20 is: 732,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,020.20 : 837,030.30 = 488,036.20 : x
  2. Step 2: Convert to fraction form
    558,020.20/837,030.30 = 488,036.20/x
  3. Step 3: Cross multiply
    558,020.20x = 837,030.30 × 488,036.20
  4. Step 4: Simplify right side
    558,020.20x = 408,501,086,896.86
  5. Step 5: Solve for x
    x = 408,501,086,896.86/558,020.20
  6. Step 6: Final answer
    x = 732,054.30

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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.