Home / 832,013.80-1,248,020.70-411,202.60

Finding the Fourth Proportional to 832,013.80, 1,248,020.70 and 411,202.60

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Solution

The fourth proportional to 832,013.80, 1,248,020.70 and 411,202.60 is: 616,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,013.80 : 1,248,020.70 = 411,202.60 : x
  2. Step 2: Convert to fraction form
    832,013.80/1,248,020.70 = 411,202.60/x
  3. Step 3: Cross multiply
    832,013.80x = 1,248,020.70 × 411,202.60
  4. Step 4: Simplify right side
    832,013.80x = 513,189,356,693.82
  5. Step 5: Solve for x
    x = 513,189,356,693.82/832,013.80
  6. Step 6: Final answer
    x = 616,803.90

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Double scale
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Similar ratio
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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.