Home / 732,062.79-1,010,256.98-421,793.91

Finding the Fourth Proportional to 732,062.79, 1,010,256.98 and 421,793.91

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Solution

The fourth proportional to 732,062.79, 1,010,256.98 and 421,793.91 is: 582,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,062.79 : 1,010,256.98 = 421,793.91 : x
  2. Step 2: Convert to fraction form
    732,062.79/1,010,256.98 = 421,793.91/x
  3. Step 3: Cross multiply
    732,062.79x = 1,010,256.98 × 421,793.91
  4. Step 4: Simplify right side
    732,062.79x = 426,120,239,590.02
  5. Step 5: Solve for x
    x = 426,120,239,590.02/732,062.79
  6. Step 6: Final answer
    x = 582,081.54

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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.