Home / 925,308.39-1,277,247.15-635,878.35

Finding the Fourth Proportional to 925,308.39, 1,277,247.15 and 635,878.35

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Solution

The fourth proportional to 925,308.39, 1,277,247.15 and 635,878.35 is: 877,733.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,308.39 : 1,277,247.15 = 635,878.35 : x
  2. Step 2: Convert to fraction form
    925,308.39/1,277,247.15 = 635,878.35/x
  3. Step 3: Cross multiply
    925,308.39x = 1,277,247.15 × 635,878.35
  4. Step 4: Simplify right side
    925,308.39x = 812,173,810,284.20
  5. Step 5: Solve for x
    x = 812,173,810,284.20/925,308.39
  6. Step 6: Final answer
    x = 877,733.11

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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.