Home / 1,001,136.38-1,381,569.57-553,590.72

Finding the Fourth Proportional to 1,001,136.38, 1,381,569.57 and 553,590.72

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Solution

The fourth proportional to 1,001,136.38, 1,381,569.57 and 553,590.72 is: 763,955.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,136.38 : 1,381,569.57 = 553,590.72 : x
  2. Step 2: Convert to fraction form
    1,001,136.38/1,381,569.57 = 553,590.72/x
  3. Step 3: Cross multiply
    1,001,136.38x = 1,381,569.57 × 553,590.72
  4. Step 4: Simplify right side
    1,001,136.38x = 764,824,092,986.39
  5. Step 5: Solve for x
    x = 764,824,092,986.39/1,001,136.38
  6. Step 6: Final answer
    x = 763,955.95

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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.