Home / 1,023,816.27-1,413,377.98-636,756.47

Finding the Fourth Proportional to 1,023,816.27, 1,413,377.98 and 636,756.47

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Solution

The fourth proportional to 1,023,816.27, 1,413,377.98 and 636,756.47 is: 879,042.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,816.27 : 1,413,377.98 = 636,756.47 : x
  2. Step 2: Convert to fraction form
    1,023,816.27/1,413,377.98 = 636,756.47/x
  3. Step 3: Cross multiply
    1,023,816.27x = 1,413,377.98 × 636,756.47
  4. Step 4: Simplify right side
    1,023,816.27x = 899,977,564,661.75
  5. Step 5: Solve for x
    x = 899,977,564,661.75/1,023,816.27
  6. Step 6: Final answer
    x = 879,042.06

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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.