Home / 1,287,772.64-1,777,037.29-714,767.70

Finding the Fourth Proportional to 1,287,772.64, 1,777,037.29 and 714,767.70

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Solution

The fourth proportional to 1,287,772.64, 1,777,037.29 and 714,767.70 is: 986,330.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,772.64 : 1,777,037.29 = 714,767.70 : x
  2. Step 2: Convert to fraction form
    1,287,772.64/1,777,037.29 = 714,767.70/x
  3. Step 3: Cross multiply
    1,287,772.64x = 1,777,037.29 × 714,767.70
  4. Step 4: Simplify right side
    1,287,772.64x = 1,270,168,861,464.50
  5. Step 5: Solve for x
    x = 1,270,168,861,464.50/1,287,772.64
  6. Step 6: Final answer
    x = 986,330.06

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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.