Home / 1,143,286.40-1,577,631.84-633,987.20

Finding the Fourth Proportional to 1,143,286.40, 1,577,631.84 and 633,987.20

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Solution

The fourth proportional to 1,143,286.40, 1,577,631.84 and 633,987.20 is: 874,845.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,286.40 : 1,577,631.84 = 633,987.20 : x
  2. Step 2: Convert to fraction form
    1,143,286.40/1,577,631.84 = 633,987.20/x
  3. Step 3: Cross multiply
    1,143,286.40x = 1,577,631.84 × 633,987.20
  4. Step 4: Simplify right side
    1,143,286.40x = 1,000,198,392,872.45
  5. Step 5: Solve for x
    x = 1,000,198,392,872.45/1,143,286.40
  6. Step 6: Final answer
    x = 874,845.00

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.