Home / 716,769.91-989,029.14-410,787.35

Finding the Fourth Proportional to 716,769.91, 989,029.14 and 410,787.35

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Solution

The fourth proportional to 716,769.91, 989,029.14 and 410,787.35 is: 566,821.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,769.91 : 989,029.14 = 410,787.35 : x
  2. Step 2: Convert to fraction form
    716,769.91/989,029.14 = 410,787.35/x
  3. Step 3: Cross multiply
    716,769.91x = 989,029.14 × 410,787.35
  4. Step 4: Simplify right side
    716,769.91x = 406,280,656,716.64
  5. Step 5: Solve for x
    x = 406,280,656,716.64/716,769.91
  6. Step 6: Final answer
    x = 566,821.58

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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.