Home / 832,436.43-1,148,765.13-450,463.11

Finding the Fourth Proportional to 832,436.43, 1,148,765.13 and 450,463.11

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Solution

The fourth proportional to 832,436.43, 1,148,765.13 and 450,463.11 is: 621,640.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,436.43 : 1,148,765.13 = 450,463.11 : x
  2. Step 2: Convert to fraction form
    832,436.43/1,148,765.13 = 450,463.11/x
  3. Step 3: Cross multiply
    832,436.43x = 1,148,765.13 × 450,463.11
  4. Step 4: Simplify right side
    832,436.43x = 517,476,313,119.35
  5. Step 5: Solve for x
    x = 517,476,313,119.35/832,436.43
  6. Step 6: Final answer
    x = 621,640.64

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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.