Home / 2,590,844.80-3,886,267.20-817,686.40

Finding the Fourth Proportional to 2,590,844.80, 3,886,267.20 and 817,686.40

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Solution

The fourth proportional to 2,590,844.80, 3,886,267.20 and 817,686.40 is: 1,226,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,844.80 : 3,886,267.20 = 817,686.40 : x
  2. Step 2: Convert to fraction form
    2,590,844.80/3,886,267.20 = 817,686.40/x
  3. Step 3: Cross multiply
    2,590,844.80x = 3,886,267.20 × 817,686.40
  4. Step 4: Simplify right side
    2,590,844.80x = 3,177,747,836,206.08
  5. Step 5: Solve for x
    x = 3,177,747,836,206.08/2,590,844.80
  6. Step 6: Final answer
    x = 1,226,529.60

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Similar ratio
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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.