Home / 1,152,019.70-1,728,029.55-403,795.70

Finding the Fourth Proportional to 1,152,019.70, 1,728,029.55 and 403,795.70

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Solution

The fourth proportional to 1,152,019.70, 1,728,029.55 and 403,795.70 is: 605,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,019.70 : 1,728,029.55 = 403,795.70 : x
  2. Step 2: Convert to fraction form
    1,152,019.70/1,728,029.55 = 403,795.70/x
  3. Step 3: Cross multiply
    1,152,019.70x = 1,728,029.55 × 403,795.70
  4. Step 4: Simplify right side
    1,152,019.70x = 697,770,901,762.94
  5. Step 5: Solve for x
    x = 697,770,901,762.94/1,152,019.70
  6. Step 6: Final answer
    x = 605,693.55

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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.