Home / 385,908.40-532,581.78-232,984.18

Finding the Fourth Proportional to 385,908.40, 532,581.78 and 232,984.18

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Solution

The fourth proportional to 385,908.40, 532,581.78 and 232,984.18 is: 321,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,908.40 : 532,581.78 = 232,984.18 : x
  2. Step 2: Convert to fraction form
    385,908.40/532,581.78 = 232,984.18/x
  3. Step 3: Cross multiply
    385,908.40x = 532,581.78 × 232,984.18
  4. Step 4: Simplify right side
    385,908.40x = 124,083,129,296.24
  5. Step 5: Solve for x
    x = 124,083,129,296.24/385,908.40
  6. Step 6: Final answer
    x = 321,535.19

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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.