Home / 877,909.32-1,211,613.12-495,960.66

Finding the Fourth Proportional to 877,909.32, 1,211,613.12 and 495,960.66

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Solution

The fourth proportional to 877,909.32, 1,211,613.12 and 495,960.66 is: 684,481.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,909.32 : 1,211,613.12 = 495,960.66 : x
  2. Step 2: Convert to fraction form
    877,909.32/1,211,613.12 = 495,960.66/x
  3. Step 3: Cross multiply
    877,909.32x = 1,211,613.12 × 495,960.66
  4. Step 4: Simplify right side
    877,909.32x = 600,912,442,659.86
  5. Step 5: Solve for x
    x = 600,912,442,659.86/877,909.32
  6. Step 6: Final answer
    x = 684,481.22

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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.