Home / 583,216.61-874,824.89-139,984.61

Finding the Fourth Proportional to 583,216.61, 874,824.89 and 139,984.61

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Solution

The fourth proportional to 583,216.61, 874,824.89 and 139,984.61 is: 209,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,216.61 : 874,824.89 = 139,984.61 : x
  2. Step 2: Convert to fraction form
    583,216.61/874,824.89 = 139,984.61/x
  3. Step 3: Cross multiply
    583,216.61x = 874,824.89 × 139,984.61
  4. Step 4: Simplify right side
    583,216.61x = 122,462,015,970.90
  5. Step 5: Solve for x
    x = 122,462,015,970.90/583,216.61
  6. Step 6: Final answer
    x = 209,976.90

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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.