Home / 1,253,047.16-1,729,206.75-680,087.40

Finding the Fourth Proportional to 1,253,047.16, 1,729,206.75 and 680,087.40

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Solution

The fourth proportional to 1,253,047.16, 1,729,206.75 and 680,087.40 is: 938,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,047.16 : 1,729,206.75 = 680,087.40 : x
  2. Step 2: Convert to fraction form
    1,253,047.16/1,729,206.75 = 680,087.40/x
  3. Step 3: Cross multiply
    1,253,047.16x = 1,729,206.75 × 680,087.40
  4. Step 4: Simplify right side
    1,253,047.16x = 1,176,011,722,669.95
  5. Step 5: Solve for x
    x = 1,176,011,722,669.95/1,253,047.16
  6. Step 6: Final answer
    x = 938,521.52

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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.