Home / 649,171.38-896,106.52-581,068.20

Finding the Fourth Proportional to 649,171.38, 896,106.52 and 581,068.20

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Solution

The fourth proportional to 649,171.38, 896,106.52 and 581,068.20 is: 802,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,171.38 : 896,106.52 = 581,068.20 : x
  2. Step 2: Convert to fraction form
    649,171.38/896,106.52 = 581,068.20/x
  3. Step 3: Cross multiply
    649,171.38x = 896,106.52 × 581,068.20
  4. Step 4: Simplify right side
    649,171.38x = 520,699,001,131.99
  5. Step 5: Solve for x
    x = 520,699,001,131.99/649,171.38
  6. Step 6: Final answer
    x = 802,097.90

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Double scale
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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.