Home / 852,420.60-1,279,214.10-473,340.60

Finding the Fourth Proportional to 852,420.60, 1,279,214.10 and 473,340.60

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Solution

The fourth proportional to 852,420.60, 1,279,214.10 and 473,340.60 is: 710,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,420.60 : 1,279,214.10 = 473,340.60 : x
  2. Step 2: Convert to fraction form
    852,420.60/1,279,214.10 = 473,340.60/x
  3. Step 3: Cross multiply
    852,420.60x = 1,279,214.10 × 473,340.60
  4. Step 4: Simplify right side
    852,420.60x = 605,503,969,622.46
  5. Step 5: Solve for x
    x = 605,503,969,622.46/852,420.60
  6. Step 6: Final answer
    x = 710,334.75

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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.