Home / 1,143,902.48-1,715,996.73-345,182.72

Finding the Fourth Proportional to 1,143,902.48, 1,715,996.73 and 345,182.72

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Solution

The fourth proportional to 1,143,902.48, 1,715,996.73 and 345,182.72 is: 517,817.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,902.48 : 1,715,996.73 = 345,182.72 : x
  2. Step 2: Convert to fraction form
    1,143,902.48/1,715,996.73 = 345,182.72/x
  3. Step 3: Cross multiply
    1,143,902.48x = 1,715,996.73 × 345,182.72
  4. Step 4: Simplify right side
    1,143,902.48x = 592,332,418,772.51
  5. Step 5: Solve for x
    x = 592,332,418,772.51/1,143,902.48
  6. Step 6: Final answer
    x = 517,817.23

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Double scale
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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.