Home / 1,532,585.70-2,115,033.88-853,522.20

Finding the Fourth Proportional to 1,532,585.70, 2,115,033.88 and 853,522.20

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Solution

The fourth proportional to 1,532,585.70, 2,115,033.88 and 853,522.20 is: 1,177,897.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,585.70 : 2,115,033.88 = 853,522.20 : x
  2. Step 2: Convert to fraction form
    1,532,585.70/2,115,033.88 = 853,522.20/x
  3. Step 3: Cross multiply
    1,532,585.70x = 2,115,033.88 × 853,522.20
  4. Step 4: Simplify right side
    1,532,585.70x = 1,805,228,370,332.14
  5. Step 5: Solve for x
    x = 1,805,228,370,332.14/1,532,585.70
  6. Step 6: Final answer
    x = 1,177,897.18

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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.