Home / 447,383.04-671,078.61-127,534.20

Finding the Fourth Proportional to 447,383.04, 671,078.61 and 127,534.20

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Solution

The fourth proportional to 447,383.04, 671,078.61 and 127,534.20 is: 191,302.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,383.04 : 671,078.61 = 127,534.20 : x
  2. Step 2: Convert to fraction form
    447,383.04/671,078.61 = 127,534.20/x
  3. Step 3: Cross multiply
    447,383.04x = 671,078.61 × 127,534.20
  4. Step 4: Simplify right side
    447,383.04x = 85,585,473,663.46
  5. Step 5: Solve for x
    x = 85,585,473,663.46/447,383.04
  6. Step 6: Final answer
    x = 191,302.45

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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.