Home / 1,216,329.27-1,678,569.45-672,500.19

Finding the Fourth Proportional to 1,216,329.27, 1,678,569.45 and 672,500.19

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Solution

The fourth proportional to 1,216,329.27, 1,678,569.45 and 672,500.19 is: 928,069.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,329.27 : 1,678,569.45 = 672,500.19 : x
  2. Step 2: Convert to fraction form
    1,216,329.27/1,678,569.45 = 672,500.19/x
  3. Step 3: Cross multiply
    1,216,329.27x = 1,678,569.45 × 672,500.19
  4. Step 4: Simplify right side
    1,216,329.27x = 1,128,838,274,053.20
  5. Step 5: Solve for x
    x = 1,128,838,274,053.20/1,216,329.27
  6. Step 6: Final answer
    x = 928,069.65

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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.