Home / 1,152,173.80-1,728,260.70-404,295.40

Finding the Fourth Proportional to 1,152,173.80, 1,728,260.70 and 404,295.40

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Solution

The fourth proportional to 1,152,173.80, 1,728,260.70 and 404,295.40 is: 606,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,173.80 : 1,728,260.70 = 404,295.40 : x
  2. Step 2: Convert to fraction form
    1,152,173.80/1,728,260.70 = 404,295.40/x
  3. Step 3: Cross multiply
    1,152,173.80x = 1,728,260.70 × 404,295.40
  4. Step 4: Simplify right side
    1,152,173.80x = 698,727,851,010.78
  5. Step 5: Solve for x
    x = 698,727,851,010.78/1,152,173.80
  6. Step 6: Final answer
    x = 606,443.10

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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.