Home / 1,138,865.80-1,571,592.90-655,505.32

Finding the Fourth Proportional to 1,138,865.80, 1,571,592.90 and 655,505.32

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Solution

The fourth proportional to 1,138,865.80, 1,571,592.90 and 655,505.32 is: 904,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,865.80 : 1,571,592.90 = 655,505.32 : x
  2. Step 2: Convert to fraction form
    1,138,865.80/1,571,592.90 = 655,505.32/x
  3. Step 3: Cross multiply
    1,138,865.80x = 1,571,592.90 × 655,505.32
  4. Step 4: Simplify right side
    1,138,865.80x = 1,030,187,506,824.23
  5. Step 5: Solve for x
    x = 1,030,187,506,824.23/1,138,865.80
  6. Step 6: Final answer
    x = 904,573.22

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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.