Home / 1,215,877.83-1,677,998.28-672,001.91

Finding the Fourth Proportional to 1,215,877.83, 1,677,998.28 and 672,001.91

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Solution

The fourth proportional to 1,215,877.83, 1,677,998.28 and 672,001.91 is: 927,410.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,877.83 : 1,677,998.28 = 672,001.91 : x
  2. Step 2: Convert to fraction form
    1,215,877.83/1,677,998.28 = 672,001.91/x
  3. Step 3: Cross multiply
    1,215,877.83x = 1,677,998.28 × 672,001.91
  4. Step 4: Simplify right side
    1,215,877.83x = 1,127,618,045,776.71
  5. Step 5: Solve for x
    x = 1,127,618,045,776.71/1,215,877.83
  6. Step 6: Final answer
    x = 927,410.65

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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.