Home / 914,867.78-1,262,525-506,976.42

Finding the Fourth Proportional to 914,867.78, 1,262,525 and 506,976.42

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Solution

The fourth proportional to 914,867.78, 1,262,525 and 506,976.42 is: 699,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,867.78 : 1,262,525 = 506,976.42 : x
  2. Step 2: Convert to fraction form
    914,867.78/1,262,525 = 506,976.42/x
  3. Step 3: Cross multiply
    914,867.78x = 1,262,525 × 506,976.42
  4. Step 4: Simplify right side
    914,867.78x = 640,070,404,660.50
  5. Step 5: Solve for x
    x = 640,070,404,660.50/914,867.78
  6. Step 6: Final answer
    x = 699,631.60

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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.