Home / 572,333.40-858,111.30-217,294.20

Finding the Fourth Proportional to 572,333.40, 858,111.30 and 217,294.20

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Solution

The fourth proportional to 572,333.40, 858,111.30 and 217,294.20 is: 325,793.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,333.40 : 858,111.30 = 217,294.20 : x
  2. Step 2: Convert to fraction form
    572,333.40/858,111.30 = 217,294.20/x
  3. Step 3: Cross multiply
    572,333.40x = 858,111.30 × 217,294.20
  4. Step 4: Simplify right side
    572,333.40x = 186,462,608,444.46
  5. Step 5: Solve for x
    x = 186,462,608,444.46/572,333.40
  6. Step 6: Final answer
    x = 325,793.69

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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.