Home / 752,886.62-1,129,389.13-213,134.16

Finding the Fourth Proportional to 752,886.62, 1,129,389.13 and 213,134.16

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Solution

The fourth proportional to 752,886.62, 1,129,389.13 and 213,134.16 is: 319,718.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,886.62 : 1,129,389.13 = 213,134.16 : x
  2. Step 2: Convert to fraction form
    752,886.62/1,129,389.13 = 213,134.16/x
  3. Step 3: Cross multiply
    752,886.62x = 1,129,389.13 × 213,134.16
  4. Step 4: Simplify right side
    752,886.62x = 240,711,403,662.02
  5. Step 5: Solve for x
    x = 240,711,403,662.02/752,886.62
  6. Step 6: Final answer
    x = 319,718.00

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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.