Home / 1,190,046.28-1,785,126.81-391,310.14

Finding the Fourth Proportional to 1,190,046.28, 1,785,126.81 and 391,310.14

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Solution

The fourth proportional to 1,190,046.28, 1,785,126.81 and 391,310.14 is: 586,984.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,046.28 : 1,785,126.81 = 391,310.14 : x
  2. Step 2: Convert to fraction form
    1,190,046.28/1,785,126.81 = 391,310.14/x
  3. Step 3: Cross multiply
    1,190,046.28x = 1,785,126.81 × 391,310.14
  4. Step 4: Simplify right side
    1,190,046.28x = 698,538,221,938.85
  5. Step 5: Solve for x
    x = 698,538,221,938.85/1,190,046.28
  6. Step 6: Final answer
    x = 586,984.08

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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.