Home / 817,474.49-1,224,439.46-395,866.25

Finding the Fourth Proportional to 817,474.49, 1,224,439.46 and 395,866.25

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Solution

The fourth proportional to 817,474.49, 1,224,439.46 and 395,866.25 is: 592,941.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,474.49 : 1,224,439.46 = 395,866.25 : x
  2. Step 2: Convert to fraction form
    817,474.49/1,224,439.46 = 395,866.25/x
  3. Step 3: Cross multiply
    817,474.49x = 1,224,439.46 × 395,866.25
  4. Step 4: Simplify right side
    817,474.49x = 484,714,255,402.89
  5. Step 5: Solve for x
    x = 484,714,255,402.89/817,474.49
  6. Step 6: Final answer
    x = 592,941.14

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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.