Home / 1,056,128.40-1,583,998.20-656,053.20

Finding the Fourth Proportional to 1,056,128.40, 1,583,998.20 and 656,053.20

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Solution

The fourth proportional to 1,056,128.40, 1,583,998.20 and 656,053.20 is: 983,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,128.40 : 1,583,998.20 = 656,053.20 : x
  2. Step 2: Convert to fraction form
    1,056,128.40/1,583,998.20 = 656,053.20/x
  3. Step 3: Cross multiply
    1,056,128.40x = 1,583,998.20 × 656,053.20
  4. Step 4: Simplify right side
    1,056,128.40x = 1,039,187,087,904.24
  5. Step 5: Solve for x
    x = 1,039,187,087,904.24/1,056,128.40
  6. Step 6: Final answer
    x = 983,959.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.