Home / 583,904.10-875,856.15-403,500.90

Finding the Fourth Proportional to 583,904.10, 875,856.15 and 403,500.90

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Solution

The fourth proportional to 583,904.10, 875,856.15 and 403,500.90 is: 605,251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,904.10 : 875,856.15 = 403,500.90 : x
  2. Step 2: Convert to fraction form
    583,904.10/875,856.15 = 403,500.90/x
  3. Step 3: Cross multiply
    583,904.10x = 875,856.15 × 403,500.90
  4. Step 4: Simplify right side
    583,904.10x = 353,408,744,795.54
  5. Step 5: Solve for x
    x = 353,408,744,795.54/583,904.10
  6. Step 6: Final answer
    x = 605,251.35

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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.