Home / 1,152,177.80-1,728,266.70-404,299.40

Finding the Fourth Proportional to 1,152,177.80, 1,728,266.70 and 404,299.40

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Solution

The fourth proportional to 1,152,177.80, 1,728,266.70 and 404,299.40 is: 606,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,177.80 : 1,728,266.70 = 404,299.40 : x
  2. Step 2: Convert to fraction form
    1,152,177.80/1,728,266.70 = 404,299.40/x
  3. Step 3: Cross multiply
    1,152,177.80x = 1,728,266.70 × 404,299.40
  4. Step 4: Simplify right side
    1,152,177.80x = 698,737,189,849.98
  5. Step 5: Solve for x
    x = 698,737,189,849.98/1,152,177.80
  6. Step 6: Final answer
    x = 606,449.10

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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.