Home / 572,528.10-858,792.15-173,449.20

Finding the Fourth Proportional to 572,528.10, 858,792.15 and 173,449.20

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Solution

The fourth proportional to 572,528.10, 858,792.15 and 173,449.20 is: 260,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,528.10 : 858,792.15 = 173,449.20 : x
  2. Step 2: Convert to fraction form
    572,528.10/858,792.15 = 173,449.20/x
  3. Step 3: Cross multiply
    572,528.10x = 858,792.15 × 173,449.20
  4. Step 4: Simplify right side
    572,528.10x = 148,956,811,383.78
  5. Step 5: Solve for x
    x = 148,956,811,383.78/572,528.10
  6. Step 6: Final answer
    x = 260,173.80

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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.