Home / 693,700.38-957,466.50-451,561.20

Finding the Fourth Proportional to 693,700.38, 957,466.50 and 451,561.20

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Solution

The fourth proportional to 693,700.38, 957,466.50 and 451,561.20 is: 623,258.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,700.38 : 957,466.50 = 451,561.20 : x
  2. Step 2: Convert to fraction form
    693,700.38/957,466.50 = 451,561.20/x
  3. Step 3: Cross multiply
    693,700.38x = 957,466.50 × 451,561.20
  4. Step 4: Simplify right side
    693,700.38x = 432,354,721,699.80
  5. Step 5: Solve for x
    x = 432,354,721,699.80/693,700.38
  6. Step 6: Final answer
    x = 623,258.59

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Double scale
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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.