Home / 620,411.30-930,681.68-171,132.24

Finding the Fourth Proportional to 620,411.30, 930,681.68 and 171,132.24

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Solution

The fourth proportional to 620,411.30, 930,681.68 and 171,132.24 is: 256,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,411.30 : 930,681.68 = 171,132.24 : x
  2. Step 2: Convert to fraction form
    620,411.30/930,681.68 = 171,132.24/x
  3. Step 3: Cross multiply
    620,411.30x = 930,681.68 × 171,132.24
  4. Step 4: Simplify right side
    620,411.30x = 159,269,639,769.70
  5. Step 5: Solve for x
    x = 159,269,639,769.70/620,411.30
  6. Step 6: Final answer
    x = 256,716.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.