Home / 1,247,159.57-1,721,081.18-674,199.59

Finding the Fourth Proportional to 1,247,159.57, 1,721,081.18 and 674,199.59

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Solution

The fourth proportional to 1,247,159.57, 1,721,081.18 and 674,199.59 is: 930,395.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,159.57 : 1,721,081.18 = 674,199.59 : x
  2. Step 2: Convert to fraction form
    1,247,159.57/1,721,081.18 = 674,199.59/x
  3. Step 3: Cross multiply
    1,247,159.57x = 1,721,081.18 × 674,199.59
  4. Step 4: Simplify right side
    1,247,159.57x = 1,160,352,218,992.81
  5. Step 5: Solve for x
    x = 1,160,352,218,992.81/1,247,159.57
  6. Step 6: Final answer
    x = 930,395.96

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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.