Home / 1,781,803.76-2,673,098.76-519,730.16

Finding the Fourth Proportional to 1,781,803.76, 2,673,098.76 and 519,730.16

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Solution

The fourth proportional to 1,781,803.76, 2,673,098.76 and 519,730.16 is: 779,709.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,803.76 : 2,673,098.76 = 519,730.16 : x
  2. Step 2: Convert to fraction form
    1,781,803.76/2,673,098.76 = 519,730.16/x
  3. Step 3: Cross multiply
    1,781,803.76x = 2,673,098.76 × 519,730.16
  4. Step 4: Simplify right side
    1,781,803.76x = 1,389,290,046,230.60
  5. Step 5: Solve for x
    x = 1,389,290,046,230.60/1,781,803.76
  6. Step 6: Final answer
    x = 779,709.91

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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.