Home / 740,053.10-1,110,522.51-319,328.98

Finding the Fourth Proportional to 740,053.10, 1,110,522.51 and 319,328.98

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Solution

The fourth proportional to 740,053.10, 1,110,522.51 and 319,328.98 is: 479,184.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,053.10 : 1,110,522.51 = 319,328.98 : x
  2. Step 2: Convert to fraction form
    740,053.10/1,110,522.51 = 319,328.98/x
  3. Step 3: Cross multiply
    740,053.10x = 1,110,522.51 × 319,328.98
  4. Step 4: Simplify right side
    740,053.10x = 354,622,015,231.89
  5. Step 5: Solve for x
    x = 354,622,015,231.89/740,053.10
  6. Step 6: Final answer
    x = 479,184.55

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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.