Home / 852,402.20-1,277,048.10-519,589.40

Finding the Fourth Proportional to 852,402.20, 1,277,048.10 and 519,589.40

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Solution

The fourth proportional to 852,402.20, 1,277,048.10 and 519,589.40 is: 778,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,402.20 : 1,277,048.10 = 519,589.40 : x
  2. Step 2: Convert to fraction form
    852,402.20/1,277,048.10 = 519,589.40/x
  3. Step 3: Cross multiply
    852,402.20x = 1,277,048.10 × 519,589.40
  4. Step 4: Simplify right side
    852,402.20x = 663,540,656,050.14
  5. Step 5: Solve for x
    x = 663,540,656,050.14/852,402.20
  6. Step 6: Final answer
    x = 778,436.11

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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.