Home / 740,709.74-1,111,531.66-291,372.22

Finding the Fourth Proportional to 740,709.74, 1,111,531.66 and 291,372.22

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Solution

The fourth proportional to 740,709.74, 1,111,531.66 and 291,372.22 is: 437,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,709.74 : 1,111,531.66 = 291,372.22 : x
  2. Step 2: Convert to fraction form
    740,709.74/1,111,531.66 = 291,372.22/x
  3. Step 3: Cross multiply
    740,709.74x = 1,111,531.66 × 291,372.22
  4. Step 4: Simplify right side
    740,709.74x = 323,869,447,374.49
  5. Step 5: Solve for x
    x = 323,869,447,374.49/740,709.74
  6. Step 6: Final answer
    x = 437,242.05

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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.