Home / 1,175,306.40-1,762,959.60-511,754.40

Finding the Fourth Proportional to 1,175,306.40, 1,762,959.60 and 511,754.40

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Solution

The fourth proportional to 1,175,306.40, 1,762,959.60 and 511,754.40 is: 767,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,306.40 : 1,762,959.60 = 511,754.40 : x
  2. Step 2: Convert to fraction form
    1,175,306.40/1,762,959.60 = 511,754.40/x
  3. Step 3: Cross multiply
    1,175,306.40x = 1,762,959.60 × 511,754.40
  4. Step 4: Simplify right side
    1,175,306.40x = 902,202,332,322.24
  5. Step 5: Solve for x
    x = 902,202,332,322.24/1,175,306.40
  6. Step 6: Final answer
    x = 767,631.60

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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.