Home / 841,352.72-1,161,057.96-459,378.32

Finding the Fourth Proportional to 841,352.72, 1,161,057.96 and 459,378.32

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Solution

The fourth proportional to 841,352.72, 1,161,057.96 and 459,378.32 is: 633,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,352.72 : 1,161,057.96 = 459,378.32 : x
  2. Step 2: Convert to fraction form
    841,352.72/1,161,057.96 = 459,378.32/x
  3. Step 3: Cross multiply
    841,352.72x = 1,161,057.96 × 459,378.32
  4. Step 4: Simplify right side
    841,352.72x = 533,364,855,087.43
  5. Step 5: Solve for x
    x = 533,364,855,087.43/841,352.72
  6. Step 6: Final answer
    x = 633,937.28

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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.