Home / 903,680.42-1,247,079.58-501,272.42

Finding the Fourth Proportional to 903,680.42, 1,247,079.58 and 501,272.42

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Solution

The fourth proportional to 903,680.42, 1,247,079.58 and 501,272.42 is: 691,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,680.42 : 1,247,079.58 = 501,272.42 : x
  2. Step 2: Convert to fraction form
    903,680.42/1,247,079.58 = 501,272.42/x
  3. Step 3: Cross multiply
    903,680.42x = 1,247,079.58 × 501,272.42
  4. Step 4: Simplify right side
    903,680.42x = 625,126,591,510.61
  5. Step 5: Solve for x
    x = 625,126,591,510.61/903,680.42
  6. Step 6: Final answer
    x = 691,756.27

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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.