Home / 716,724.08-989,120.04-410,851.36

Finding the Fourth Proportional to 716,724.08, 989,120.04 and 410,851.36

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Solution

The fourth proportional to 716,724.08, 989,120.04 and 410,851.36 is: 566,998.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,724.08 : 989,120.04 = 410,851.36 : x
  2. Step 2: Convert to fraction form
    716,724.08/989,120.04 = 410,851.36/x
  3. Step 3: Cross multiply
    716,724.08x = 989,120.04 × 410,851.36
  4. Step 4: Simplify right side
    716,724.08x = 406,381,313,637.25
  5. Step 5: Solve for x
    x = 406,381,313,637.25/716,724.08
  6. Step 6: Final answer
    x = 566,998.27

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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.