Home / 558,019.40-837,029.10-243,091.40

Finding the Fourth Proportional to 558,019.40, 837,029.10 and 243,091.40

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Solution

The fourth proportional to 558,019.40, 837,029.10 and 243,091.40 is: 364,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,019.40 : 837,029.10 = 243,091.40 : x
  2. Step 2: Convert to fraction form
    558,019.40/837,029.10 = 243,091.40/x
  3. Step 3: Cross multiply
    558,019.40x = 837,029.10 × 243,091.40
  4. Step 4: Simplify right side
    558,019.40x = 203,474,575,759.74
  5. Step 5: Solve for x
    x = 203,474,575,759.74/558,019.40
  6. Step 6: Final answer
    x = 364,637.10

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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.