Home / 475,109.40-655,402.38-293,763.36

Finding the Fourth Proportional to 475,109.40, 655,402.38 and 293,763.36

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Solution

The fourth proportional to 475,109.40, 655,402.38 and 293,763.36 is: 405,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,109.40 : 655,402.38 = 293,763.36 : x
  2. Step 2: Convert to fraction form
    475,109.40/655,402.38 = 293,763.36/x
  3. Step 3: Cross multiply
    475,109.40x = 655,402.38 × 293,763.36
  4. Step 4: Simplify right side
    475,109.40x = 192,533,205,300.80
  5. Step 5: Solve for x
    x = 192,533,205,300.80/475,109.40
  6. Step 6: Final answer
    x = 405,239.73

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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.