Home / 724,208.19-999,360.74-452,259.75

Finding the Fourth Proportional to 724,208.19, 999,360.74 and 452,259.75

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Solution

The fourth proportional to 724,208.19, 999,360.74 and 452,259.75 is: 624,089.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,208.19 : 999,360.74 = 452,259.75 : x
  2. Step 2: Convert to fraction form
    724,208.19/999,360.74 = 452,259.75/x
  3. Step 3: Cross multiply
    724,208.19x = 999,360.74 × 452,259.75
  4. Step 4: Simplify right side
    724,208.19x = 451,970,640,766.51
  5. Step 5: Solve for x
    x = 451,970,640,766.51/724,208.19
  6. Step 6: Final answer
    x = 624,089.38

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.