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Finding the Fourth Proportional to 1,167,973.80, 1,751,831.10 and 957,244.20

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Solution

The fourth proportional to 1,167,973.80, 1,751,831.10 and 957,244.20 is: 1,435,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,973.80 : 1,751,831.10 = 957,244.20 : x
  2. Step 2: Convert to fraction form
    1,167,973.80/1,751,831.10 = 957,244.20/x
  3. Step 3: Cross multiply
    1,167,973.80x = 1,751,831.10 × 957,244.20
  4. Step 4: Simplify right side
    1,167,973.80x = 1,676,930,159,854.62
  5. Step 5: Solve for x
    x = 1,676,930,159,854.62/1,167,973.80
  6. Step 6: Final answer
    x = 1,435,760.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.