Home / 979,688.70-1,352,169.36-566,243.10

Finding the Fourth Proportional to 979,688.70, 1,352,169.36 and 566,243.10

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Solution

The fourth proportional to 979,688.70, 1,352,169.36 and 566,243.10 is: 781,530.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,688.70 : 1,352,169.36 = 566,243.10 : x
  2. Step 2: Convert to fraction form
    979,688.70/1,352,169.36 = 566,243.10/x
  3. Step 3: Cross multiply
    979,688.70x = 1,352,169.36 × 566,243.10
  4. Step 4: Simplify right side
    979,688.70x = 765,656,570,131.42
  5. Step 5: Solve for x
    x = 765,656,570,131.42/979,688.70
  6. Step 6: Final answer
    x = 781,530.47

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1.5x scale

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.