Home / 836,642.12-1,154,573.34-454,668.80

Finding the Fourth Proportional to 836,642.12, 1,154,573.34 and 454,668.80

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Solution

The fourth proportional to 836,642.12, 1,154,573.34 and 454,668.80 is: 627,446.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,642.12 : 1,154,573.34 = 454,668.80 : x
  2. Step 2: Convert to fraction form
    836,642.12/1,154,573.34 = 454,668.80/x
  3. Step 3: Cross multiply
    836,642.12x = 1,154,573.34 × 454,668.80
  4. Step 4: Simplify right side
    836,642.12x = 524,948,475,009.79
  5. Step 5: Solve for x
    x = 524,948,475,009.79/836,642.12
  6. Step 6: Final answer
    x = 627,446.86

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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.