Home / 1,241,207.16-1,861,810.85-399,758.91

Finding the Fourth Proportional to 1,241,207.16, 1,861,810.85 and 399,758.91

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Solution

The fourth proportional to 1,241,207.16, 1,861,810.85 and 399,758.91 is: 599,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,207.16 : 1,861,810.85 = 399,758.91 : x
  2. Step 2: Convert to fraction form
    1,241,207.16/1,861,810.85 = 399,758.91/x
  3. Step 3: Cross multiply
    1,241,207.16x = 1,861,810.85 × 399,758.91
  4. Step 4: Simplify right side
    1,241,207.16x = 744,275,476,022.17
  5. Step 5: Solve for x
    x = 744,275,476,022.17/1,241,207.16
  6. Step 6: Final answer
    x = 599,638.40

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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.