Home / 558,664.20-837,996.30-292,506.30

Finding the Fourth Proportional to 558,664.20, 837,996.30 and 292,506.30

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Solution

The fourth proportional to 558,664.20, 837,996.30 and 292,506.30 is: 438,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,664.20 : 837,996.30 = 292,506.30 : x
  2. Step 2: Convert to fraction form
    558,664.20/837,996.30 = 292,506.30/x
  3. Step 3: Cross multiply
    558,664.20x = 837,996.30 × 292,506.30
  4. Step 4: Simplify right side
    558,664.20x = 245,119,197,126.69
  5. Step 5: Solve for x
    x = 245,119,197,126.69/558,664.20
  6. Step 6: Final answer
    x = 438,759.45

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Half scale
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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.