Home / 852,414.20-1,277,066.10-519,601.40

Finding the Fourth Proportional to 852,414.20, 1,277,066.10 and 519,601.40

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Solution

The fourth proportional to 852,414.20, 1,277,066.10 and 519,601.40 is: 778,454.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,414.20 : 1,277,066.10 = 519,601.40 : x
  2. Step 2: Convert to fraction form
    852,414.20/1,277,066.10 = 519,601.40/x
  3. Step 3: Cross multiply
    852,414.20x = 1,277,066.10 × 519,601.40
  4. Step 4: Simplify right side
    852,414.20x = 663,565,333,452.54
  5. Step 5: Solve for x
    x = 663,565,333,452.54/852,414.20
  6. Step 6: Final answer
    x = 778,454.11

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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.