Home / 583,421.38-875,132.08-140,189.38

Finding the Fourth Proportional to 583,421.38, 875,132.08 and 140,189.38

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Solution

The fourth proportional to 583,421.38, 875,132.08 and 140,189.38 is: 210,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,421.38 : 875,132.08 = 140,189.38 : x
  2. Step 2: Convert to fraction form
    583,421.38/875,132.08 = 140,189.38/x
  3. Step 3: Cross multiply
    583,421.38x = 875,132.08 × 140,189.38
  4. Step 4: Simplify right side
    583,421.38x = 122,684,223,713.31
  5. Step 5: Solve for x
    x = 122,684,223,713.31/583,421.38
  6. Step 6: Final answer
    x = 210,284.07

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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.