Home / 922,645.18-1,273,221.48-540,926.20

Finding the Fourth Proportional to 922,645.18, 1,273,221.48 and 540,926.20

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Solution

The fourth proportional to 922,645.18, 1,273,221.48 and 540,926.20 is: 746,461.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,645.18 : 1,273,221.48 = 540,926.20 : x
  2. Step 2: Convert to fraction form
    922,645.18/1,273,221.48 = 540,926.20/x
  3. Step 3: Cross multiply
    922,645.18x = 1,273,221.48 × 540,926.20
  4. Step 4: Simplify right side
    922,645.18x = 688,718,856,934.78
  5. Step 5: Solve for x
    x = 688,718,856,934.78/922,645.18
  6. Step 6: Final answer
    x = 746,461.23

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Double scale
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Similar ratio
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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.