Home / 859,637.45-1,186,326.34-472,445.80

Finding the Fourth Proportional to 859,637.45, 1,186,326.34 and 472,445.80

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Solution

The fourth proportional to 859,637.45, 1,186,326.34 and 472,445.80 is: 651,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,637.45 : 1,186,326.34 = 472,445.80 : x
  2. Step 2: Convert to fraction form
    859,637.45/1,186,326.34 = 472,445.80/x
  3. Step 3: Cross multiply
    859,637.45x = 1,186,326.34 × 472,445.80
  4. Step 4: Simplify right side
    859,637.45x = 560,474,899,613.41
  5. Step 5: Solve for x
    x = 560,474,899,613.41/859,637.45
  6. Step 6: Final answer
    x = 651,989.86

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Double scale
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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.