Home / 1,107,601.80-1,661,402.70-633,897.60

Finding the Fourth Proportional to 1,107,601.80, 1,661,402.70 and 633,897.60

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Solution

The fourth proportional to 1,107,601.80, 1,661,402.70 and 633,897.60 is: 950,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,601.80 : 1,661,402.70 = 633,897.60 : x
  2. Step 2: Convert to fraction form
    1,107,601.80/1,661,402.70 = 633,897.60/x
  3. Step 3: Cross multiply
    1,107,601.80x = 1,661,402.70 × 633,897.60
  4. Step 4: Simplify right side
    1,107,601.80x = 1,053,159,184,163.52
  5. Step 5: Solve for x
    x = 1,053,159,184,163.52/1,107,601.80
  6. Step 6: Final answer
    x = 950,846.40

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Double scale
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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.