Home / 819,572.13-1,131,158.93-475,628.13

Finding the Fourth Proportional to 819,572.13, 1,131,158.93 and 475,628.13

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Solution

The fourth proportional to 819,572.13, 1,131,158.93 and 475,628.13 is: 656,453.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,572.13 : 1,131,158.93 = 475,628.13 : x
  2. Step 2: Convert to fraction form
    819,572.13/1,131,158.93 = 475,628.13/x
  3. Step 3: Cross multiply
    819,572.13x = 1,131,158.93 × 475,628.13
  4. Step 4: Simplify right side
    819,572.13x = 538,011,004,230.56
  5. Step 5: Solve for x
    x = 538,011,004,230.56/819,572.13
  6. Step 6: Final answer
    x = 656,453.51

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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.