Home / 921,077.06-1,380,454.58-493,552.58

Finding the Fourth Proportional to 921,077.06, 1,380,454.58 and 493,552.58

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Solution

The fourth proportional to 921,077.06, 1,380,454.58 and 493,552.58 is: 739,706.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,077.06 : 1,380,454.58 = 493,552.58 : x
  2. Step 2: Convert to fraction form
    921,077.06/1,380,454.58 = 493,552.58/x
  3. Step 3: Cross multiply
    921,077.06x = 1,380,454.58 × 493,552.58
  4. Step 4: Simplify right side
    921,077.06x = 681,326,919,531.82
  5. Step 5: Solve for x
    x = 681,326,919,531.82/921,077.06
  6. Step 6: Final answer
    x = 739,706.75

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Double scale
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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.