Home / 812,777.29-1,121,526.41-468,626.11

Finding the Fourth Proportional to 812,777.29, 1,121,526.41 and 468,626.11

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Solution

The fourth proportional to 812,777.29, 1,121,526.41 and 468,626.11 is: 646,642.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,777.29 : 1,121,526.41 = 468,626.11 : x
  2. Step 2: Convert to fraction form
    812,777.29/1,121,526.41 = 468,626.11/x
  3. Step 3: Cross multiply
    812,777.29x = 1,121,526.41 × 468,626.11
  4. Step 4: Simplify right side
    812,777.29x = 525,576,553,633.62
  5. Step 5: Solve for x
    x = 525,576,553,633.62/812,777.29
  6. Step 6: Final answer
    x = 646,642.77

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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.