Home / 583,451.10-875,176.65-140,219.10

Finding the Fourth Proportional to 583,451.10, 875,176.65 and 140,219.10

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Solution

The fourth proportional to 583,451.10, 875,176.65 and 140,219.10 is: 210,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,451.10 : 875,176.65 = 140,219.10 : x
  2. Step 2: Convert to fraction form
    583,451.10/875,176.65 = 140,219.10/x
  3. Step 3: Cross multiply
    583,451.10x = 875,176.65 × 140,219.10
  4. Step 4: Simplify right side
    583,451.10x = 122,716,482,204.02
  5. Step 5: Solve for x
    x = 122,716,482,204.02/583,451.10
  6. Step 6: Final answer
    x = 210,328.65

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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.