Home / 1,253,164.20-1,729,320.21-680,192.16

Finding the Fourth Proportional to 1,253,164.20, 1,729,320.21 and 680,192.16

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Solution

The fourth proportional to 1,253,164.20, 1,729,320.21 and 680,192.16 is: 938,640.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,164.20 : 1,729,320.21 = 680,192.16 : x
  2. Step 2: Convert to fraction form
    1,253,164.20/1,729,320.21 = 680,192.16/x
  3. Step 3: Cross multiply
    1,253,164.20x = 1,729,320.21 × 680,192.16
  4. Step 4: Simplify right side
    1,253,164.20x = 1,176,270,048,971.55
  5. Step 5: Solve for x
    x = 1,176,270,048,971.55/1,253,164.20
  6. Step 6: Final answer
    x = 938,640.00

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1.5x scale

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.