Home / 418,039.04-576,890.71-227,053.80

Finding the Fourth Proportional to 418,039.04, 576,890.71 and 227,053.80

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Solution

The fourth proportional to 418,039.04, 576,890.71 and 227,053.80 is: 313,332.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,039.04 : 576,890.71 = 227,053.80 : x
  2. Step 2: Convert to fraction form
    418,039.04/576,890.71 = 227,053.80/x
  3. Step 3: Cross multiply
    418,039.04x = 576,890.71 × 227,053.80
  4. Step 4: Simplify right side
    418,039.04x = 130,985,227,322.56
  5. Step 5: Solve for x
    x = 130,985,227,322.56/418,039.04
  6. Step 6: Final answer
    x = 313,332.52

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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.