Home / 1,302,196.40-1,952,128.20-853,132.40

Finding the Fourth Proportional to 1,302,196.40, 1,952,128.20 and 853,132.40

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Solution

The fourth proportional to 1,302,196.40, 1,952,128.20 and 853,132.40 is: 1,278,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,196.40 : 1,952,128.20 = 853,132.40 : x
  2. Step 2: Convert to fraction form
    1,302,196.40/1,952,128.20 = 853,132.40/x
  3. Step 3: Cross multiply
    1,302,196.40x = 1,952,128.20 × 853,132.40
  4. Step 4: Simplify right side
    1,302,196.40x = 1,665,423,816,373.68
  5. Step 5: Solve for x
    x = 1,665,423,816,373.68/1,302,196.40
  6. Step 6: Final answer
    x = 1,278,934.43

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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.