Home / 343,154.04-473,579.40-220,755.72

Finding the Fourth Proportional to 343,154.04, 473,579.40 and 220,755.72

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Solution

The fourth proportional to 343,154.04, 473,579.40 and 220,755.72 is: 304,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,154.04 : 473,579.40 = 220,755.72 : x
  2. Step 2: Convert to fraction form
    343,154.04/473,579.40 = 220,755.72/x
  3. Step 3: Cross multiply
    343,154.04x = 473,579.40 × 220,755.72
  4. Step 4: Simplify right side
    343,154.04x = 104,545,361,424.17
  5. Step 5: Solve for x
    x = 104,545,361,424.17/343,154.04
  6. Step 6: Final answer
    x = 304,660.15

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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.