Home / 1,487,590.20-2,233,718.10-857,734.20

Finding the Fourth Proportional to 1,487,590.20, 2,233,718.10 and 857,734.20

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Solution

The fourth proportional to 1,487,590.20, 2,233,718.10 and 857,734.20 is: 1,287,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,590.20 : 2,233,718.10 = 857,734.20 : x
  2. Step 2: Convert to fraction form
    1,487,590.20/2,233,718.10 = 857,734.20/x
  3. Step 3: Cross multiply
    1,487,590.20x = 2,233,718.10 × 857,734.20
  4. Step 4: Simplify right side
    1,487,590.20x = 1,915,936,407,529.02
  5. Step 5: Solve for x
    x = 1,915,936,407,529.02/1,487,590.20
  6. Step 6: Final answer
    x = 1,287,946.38

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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.