Home / 1,006,704.72-1,389,252.80-553,995.72

Finding the Fourth Proportional to 1,006,704.72, 1,389,252.80 and 553,995.72

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Solution

The fourth proportional to 1,006,704.72, 1,389,252.80 and 553,995.72 is: 764,514.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,704.72 : 1,389,252.80 = 553,995.72 : x
  2. Step 2: Convert to fraction form
    1,006,704.72/1,389,252.80 = 553,995.72/x
  3. Step 3: Cross multiply
    1,006,704.72x = 1,389,252.80 × 553,995.72
  4. Step 4: Simplify right side
    1,006,704.72x = 769,640,105,198.02
  5. Step 5: Solve for x
    x = 769,640,105,198.02/1,006,704.72
  6. Step 6: Final answer
    x = 764,514.25

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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.