Home / 781,543.44-1,172,302.36-249,057.36

Finding the Fourth Proportional to 781,543.44, 1,172,302.36 and 249,057.36

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Solution

The fourth proportional to 781,543.44, 1,172,302.36 and 249,057.36 is: 373,581.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,543.44 : 1,172,302.36 = 249,057.36 : x
  2. Step 2: Convert to fraction form
    781,543.44/1,172,302.36 = 249,057.36/x
  3. Step 3: Cross multiply
    781,543.44x = 1,172,302.36 × 249,057.36
  4. Step 4: Simplify right side
    781,543.44x = 291,970,530,903.37
  5. Step 5: Solve for x
    x = 291,970,530,903.37/781,543.44
  6. Step 6: Final answer
    x = 373,581.96

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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.