Home / 941,305.12-1,297,510.40-863,111.36

Finding the Fourth Proportional to 941,305.12, 1,297,510.40 and 863,111.36

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Solution

The fourth proportional to 941,305.12, 1,297,510.40 and 863,111.36 is: 1,189,726.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,305.12 : 1,297,510.40 = 863,111.36 : x
  2. Step 2: Convert to fraction form
    941,305.12/1,297,510.40 = 863,111.36/x
  3. Step 3: Cross multiply
    941,305.12x = 1,297,510.40 × 863,111.36
  4. Step 4: Simplify right side
    941,305.12x = 1,119,895,971,359.70
  5. Step 5: Solve for x
    x = 1,119,895,971,359.70/941,305.12
  6. Step 6: Final answer
    x = 1,189,726.85

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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.