Home / 1,121,006.79-1,547,026.83-611,737.11

Finding the Fourth Proportional to 1,121,006.79, 1,547,026.83 and 611,737.11

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Solution

The fourth proportional to 1,121,006.79, 1,547,026.83 and 611,737.11 is: 844,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,006.79 : 1,547,026.83 = 611,737.11 : x
  2. Step 2: Convert to fraction form
    1,121,006.79/1,547,026.83 = 611,737.11/x
  3. Step 3: Cross multiply
    1,121,006.79x = 1,547,026.83 × 611,737.11
  4. Step 4: Simplify right side
    1,121,006.79x = 946,373,722,076.66
  5. Step 5: Solve for x
    x = 946,373,722,076.66/1,121,006.79
  6. Step 6: Final answer
    x = 844,217.65

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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.