Home / 903,282.82-1,246,440.46-521,432.62

Finding the Fourth Proportional to 903,282.82, 1,246,440.46 and 521,432.62

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Solution

The fourth proportional to 903,282.82, 1,246,440.46 and 521,432.62 is: 719,525.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,282.82 : 1,246,440.46 = 521,432.62 : x
  2. Step 2: Convert to fraction form
    903,282.82/1,246,440.46 = 521,432.62/x
  3. Step 3: Cross multiply
    903,282.82x = 1,246,440.46 × 521,432.62
  4. Step 4: Simplify right side
    903,282.82x = 649,934,714,731.81
  5. Step 5: Solve for x
    x = 649,934,714,731.81/903,282.82
  6. Step 6: Final answer
    x = 719,525.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.