Home / 1,252,550-1,728,468.60-679,568.24

Finding the Fourth Proportional to 1,252,550, 1,728,468.60 and 679,568.24

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Solution

The fourth proportional to 1,252,550, 1,728,468.60 and 679,568.24 is: 937,776.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,550 : 1,728,468.60 = 679,568.24 : x
  2. Step 2: Convert to fraction form
    1,252,550/1,728,468.60 = 679,568.24/x
  3. Step 3: Cross multiply
    1,252,550x = 1,728,468.60 × 679,568.24
  4. Step 4: Simplify right side
    1,252,550x = 1,174,612,364,397.26
  5. Step 5: Solve for x
    x = 1,174,612,364,397.26/1,252,550
  6. Step 6: Final answer
    x = 937,776.83

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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.