Home / 1,023,823.38-1,413,387.77-636,763.57

Finding the Fourth Proportional to 1,023,823.38, 1,413,387.77 and 636,763.57

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Solution

The fourth proportional to 1,023,823.38, 1,413,387.77 and 636,763.57 is: 879,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,823.38 : 1,413,387.77 = 636,763.57 : x
  2. Step 2: Convert to fraction form
    1,023,823.38/1,413,387.77 = 636,763.57/x
  3. Step 3: Cross multiply
    1,023,823.38x = 1,413,387.77 × 636,763.57
  4. Step 4: Simplify right side
    1,023,823.38x = 899,993,842,219.54
  5. Step 5: Solve for x
    x = 899,993,842,219.54/1,023,823.38
  6. Step 6: Final answer
    x = 879,051.86

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1.5x scale

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.