Home / 852,257.20-1,276,830.60-519,444.40

Finding the Fourth Proportional to 852,257.20, 1,276,830.60 and 519,444.40

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Solution

The fourth proportional to 852,257.20, 1,276,830.60 and 519,444.40 is: 778,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,257.20 : 1,276,830.60 = 519,444.40 : x
  2. Step 2: Convert to fraction form
    852,257.20/1,276,830.60 = 519,444.40/x
  3. Step 3: Cross multiply
    852,257.20x = 1,276,830.60 × 519,444.40
  4. Step 4: Simplify right side
    852,257.20x = 663,242,504,918.64
  5. Step 5: Solve for x
    x = 663,242,504,918.64/852,257.20
  6. Step 6: Final answer
    x = 778,218.72

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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.