Home / 859,494.67-1,186,139.54-477,521.45

Finding the Fourth Proportional to 859,494.67, 1,186,139.54 and 477,521.45

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Solution

The fourth proportional to 859,494.67, 1,186,139.54 and 477,521.45 is: 659,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,494.67 : 1,186,139.54 = 477,521.45 : x
  2. Step 2: Convert to fraction form
    859,494.67/1,186,139.54 = 477,521.45/x
  3. Step 3: Cross multiply
    859,494.67x = 1,186,139.54 × 477,521.45
  4. Step 4: Simplify right side
    859,494.67x = 566,407,067,112.44
  5. Step 5: Solve for x
    x = 566,407,067,112.44/859,494.67
  6. Step 6: Final answer
    x = 659,000.10

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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.