Home / 1,456,752.11-2,010,319.17-812,159.38

Finding the Fourth Proportional to 1,456,752.11, 2,010,319.17 and 812,159.38

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Solution

The fourth proportional to 1,456,752.11, 2,010,319.17 and 812,159.38 is: 1,120,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,752.11 : 2,010,319.17 = 812,159.38 : x
  2. Step 2: Convert to fraction form
    1,456,752.11/2,010,319.17 = 812,159.38/x
  3. Step 3: Cross multiply
    1,456,752.11x = 2,010,319.17 × 812,159.38
  4. Step 4: Simplify right side
    1,456,752.11x = 1,632,699,565,683.52
  5. Step 5: Solve for x
    x = 1,632,699,565,683.52/1,456,752.11
  6. Step 6: Final answer
    x = 1,120,780.64

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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.