Home / 473,299.20-653,155.29-258,439.26

Finding the Fourth Proportional to 473,299.20, 653,155.29 and 258,439.26

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Solution

The fourth proportional to 473,299.20, 653,155.29 and 258,439.26 is: 356,647.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,299.20 : 653,155.29 = 258,439.26 : x
  2. Step 2: Convert to fraction form
    473,299.20/653,155.29 = 258,439.26/x
  3. Step 3: Cross multiply
    473,299.20x = 653,155.29 × 258,439.26
  4. Step 4: Simplify right side
    473,299.20x = 168,800,969,812.69
  5. Step 5: Solve for x
    x = 168,800,969,812.69/473,299.20
  6. Step 6: Final answer
    x = 356,647.49

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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.