Home / 638,285.10-957,427.65-576,077.10

Finding the Fourth Proportional to 638,285.10, 957,427.65 and 576,077.10

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Solution

The fourth proportional to 638,285.10, 957,427.65 and 576,077.10 is: 864,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,285.10 : 957,427.65 = 576,077.10 : x
  2. Step 2: Convert to fraction form
    638,285.10/957,427.65 = 576,077.10/x
  3. Step 3: Cross multiply
    638,285.10x = 957,427.65 × 576,077.10
  4. Step 4: Simplify right side
    638,285.10x = 551,552,144,071.82
  5. Step 5: Solve for x
    x = 551,552,144,071.82/638,285.10
  6. Step 6: Final answer
    x = 864,115.65

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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.