Home / 859,048.85-1,186,760.68-565,391.04

Finding the Fourth Proportional to 859,048.85, 1,186,760.68 and 565,391.04

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Solution

The fourth proportional to 859,048.85, 1,186,760.68 and 565,391.04 is: 781,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,048.85 : 1,186,760.68 = 565,391.04 : x
  2. Step 2: Convert to fraction form
    859,048.85/1,186,760.68 = 565,391.04/x
  3. Step 3: Cross multiply
    859,048.85x = 1,186,760.68 × 565,391.04
  4. Step 4: Simplify right side
    859,048.85x = 670,983,853,682.83
  5. Step 5: Solve for x
    x = 670,983,853,682.83/859,048.85
  6. Step 6: Final answer
    x = 781,077.65

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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.