Home / 1,047,382.81-1,571,763.12-574,400.32

Finding the Fourth Proportional to 1,047,382.81, 1,571,763.12 and 574,400.32

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Solution

The fourth proportional to 1,047,382.81, 1,571,763.12 and 574,400.32 is: 861,978.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,382.81 : 1,571,763.12 = 574,400.32 : x
  2. Step 2: Convert to fraction form
    1,047,382.81/1,571,763.12 = 574,400.32/x
  3. Step 3: Cross multiply
    1,047,382.81x = 1,571,763.12 × 574,400.32
  4. Step 4: Simplify right side
    1,047,382.81x = 902,821,239,092.20
  5. Step 5: Solve for x
    x = 902,821,239,092.20/1,047,382.81
  6. Step 6: Final answer
    x = 861,978.29

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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.