Home / 904,696.56-1,248,432.75-496,719

Finding the Fourth Proportional to 904,696.56, 1,248,432.75 and 496,719

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Solution

The fourth proportional to 904,696.56, 1,248,432.75 and 496,719 is: 685,445.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,696.56 : 1,248,432.75 = 496,719 : x
  2. Step 2: Convert to fraction form
    904,696.56/1,248,432.75 = 496,719/x
  3. Step 3: Cross multiply
    904,696.56x = 1,248,432.75 × 496,719
  4. Step 4: Simplify right side
    904,696.56x = 620,120,267,147.25
  5. Step 5: Solve for x
    x = 620,120,267,147.25/904,696.56
  6. Step 6: Final answer
    x = 685,445.59

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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.