Home / 460,581.60-635,593.02-256,631.70

Finding the Fourth Proportional to 460,581.60, 635,593.02 and 256,631.70

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Solution

The fourth proportional to 460,581.60, 635,593.02 and 256,631.70 is: 354,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,581.60 : 635,593.02 = 256,631.70 : x
  2. Step 2: Convert to fraction form
    460,581.60/635,593.02 = 256,631.70/x
  3. Step 3: Cross multiply
    460,581.60x = 635,593.02 × 256,631.70
  4. Step 4: Simplify right side
    460,581.60x = 163,113,317,230.73
  5. Step 5: Solve for x
    x = 163,113,317,230.73/460,581.60
  6. Step 6: Final answer
    x = 354,146.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.