Home / 1,152,191.80-1,728,287.70-404,313.40

Finding the Fourth Proportional to 1,152,191.80, 1,728,287.70 and 404,313.40

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Solution

The fourth proportional to 1,152,191.80, 1,728,287.70 and 404,313.40 is: 606,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,191.80 : 1,728,287.70 = 404,313.40 : x
  2. Step 2: Convert to fraction form
    1,152,191.80/1,728,287.70 = 404,313.40/x
  3. Step 3: Cross multiply
    1,152,191.80x = 1,728,287.70 × 404,313.40
  4. Step 4: Simplify right side
    1,152,191.80x = 698,769,876,165.18
  5. Step 5: Solve for x
    x = 698,769,876,165.18/1,152,191.80
  6. Step 6: Final answer
    x = 606,470.10

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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.