Home / 1,047,381.81-1,571,761.62-574,399.32

Finding the Fourth Proportional to 1,047,381.81, 1,571,761.62 and 574,399.32

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Solution

The fourth proportional to 1,047,381.81, 1,571,761.62 and 574,399.32 is: 861,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,381.81 : 1,571,761.62 = 574,399.32 : x
  2. Step 2: Convert to fraction form
    1,047,381.81/1,571,761.62 = 574,399.32/x
  3. Step 3: Cross multiply
    1,047,381.81x = 1,571,761.62 × 574,399.32
  4. Step 4: Simplify right side
    1,047,381.81x = 902,818,805,730.10
  5. Step 5: Solve for x
    x = 902,818,805,730.10/1,047,381.81
  6. Step 6: Final answer
    x = 861,976.79

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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.