Home / 389,904.10-584,856.15-94,416.10

Finding the Fourth Proportional to 389,904.10, 584,856.15 and 94,416.10

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Solution

The fourth proportional to 389,904.10, 584,856.15 and 94,416.10 is: 141,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,904.10 : 584,856.15 = 94,416.10 : x
  2. Step 2: Convert to fraction form
    389,904.10/584,856.15 = 94,416.10/x
  3. Step 3: Cross multiply
    389,904.10x = 584,856.15 × 94,416.10
  4. Step 4: Simplify right side
    389,904.10x = 55,219,836,744.02
  5. Step 5: Solve for x
    x = 55,219,836,744.02/389,904.10
  6. Step 6: Final answer
    x = 141,624.15

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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.