Home / 716,678.04-989,056.56-410,805.36

Finding the Fourth Proportional to 716,678.04, 989,056.56 and 410,805.36

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Solution

The fourth proportional to 716,678.04, 989,056.56 and 410,805.36 is: 566,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,678.04 : 989,056.56 = 410,805.36 : x
  2. Step 2: Convert to fraction form
    716,678.04/989,056.56 = 410,805.36/x
  3. Step 3: Cross multiply
    716,678.04x = 989,056.56 × 410,805.36
  4. Step 4: Simplify right side
    716,678.04x = 406,309,736,191.16
  5. Step 5: Solve for x
    x = 406,309,736,191.16/716,678.04
  6. Step 6: Final answer
    x = 566,934.82

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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.