Home / 930,293.45-1,393,571.78-424,158.20

Finding the Fourth Proportional to 930,293.45, 1,393,571.78 and 424,158.20

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Solution

The fourth proportional to 930,293.45, 1,393,571.78 and 424,158.20 is: 635,385.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,293.45 : 1,393,571.78 = 424,158.20 : x
  2. Step 2: Convert to fraction form
    930,293.45/1,393,571.78 = 424,158.20/x
  3. Step 3: Cross multiply
    930,293.45x = 1,393,571.78 × 424,158.20
  4. Step 4: Simplify right side
    930,293.45x = 591,094,897,775.60
  5. Step 5: Solve for x
    x = 591,094,897,775.60/930,293.45
  6. Step 6: Final answer
    x = 635,385.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.