Home / 1,186,312.03-1,779,771.49-344,863.78

Finding the Fourth Proportional to 1,186,312.03, 1,779,771.49 and 344,863.78

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Solution

The fourth proportional to 1,186,312.03, 1,779,771.49 and 344,863.78 is: 517,383.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,312.03 : 1,779,771.49 = 344,863.78 : x
  2. Step 2: Convert to fraction form
    1,186,312.03/1,779,771.49 = 344,863.78/x
  3. Step 3: Cross multiply
    1,186,312.03x = 1,779,771.49 × 344,863.78
  4. Step 4: Simplify right side
    1,186,312.03x = 613,778,716,691.32
  5. Step 5: Solve for x
    x = 613,778,716,691.32/1,186,312.03
  6. Step 6: Final answer
    x = 517,383.88

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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.