Home / 859,711.72-1,186,393.62-477,730.48

Finding the Fourth Proportional to 859,711.72, 1,186,393.62 and 477,730.48

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Solution

The fourth proportional to 859,711.72, 1,186,393.62 and 477,730.48 is: 659,263.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,711.72 : 1,186,393.62 = 477,730.48 : x
  2. Step 2: Convert to fraction form
    859,711.72/1,186,393.62 = 477,730.48/x
  3. Step 3: Cross multiply
    859,711.72x = 1,186,393.62 × 477,730.48
  4. Step 4: Simplify right side
    859,711.72x = 566,776,393,551.54
  5. Step 5: Solve for x
    x = 566,776,393,551.54/859,711.72
  6. Step 6: Final answer
    x = 659,263.31

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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.