Home / 514,220.92-771,036.04-274,039.12

Finding the Fourth Proportional to 514,220.92, 771,036.04 and 274,039.12

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Solution

The fourth proportional to 514,220.92, 771,036.04 and 274,039.12 is: 410,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,220.92 : 771,036.04 = 274,039.12 : x
  2. Step 2: Convert to fraction form
    514,220.92/771,036.04 = 274,039.12/x
  3. Step 3: Cross multiply
    514,220.92x = 771,036.04 × 274,039.12
  4. Step 4: Simplify right side
    514,220.92x = 211,294,037,889.89
  5. Step 5: Solve for x
    x = 211,294,037,889.89/514,220.92
  6. Step 6: Final answer
    x = 410,901.29

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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.