Home / 1,487,443.42-2,231,323.62-476,203.78

Finding the Fourth Proportional to 1,487,443.42, 2,231,323.62 and 476,203.78

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Solution

The fourth proportional to 1,487,443.42, 2,231,323.62 and 476,203.78 is: 714,356.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,443.42 : 2,231,323.62 = 476,203.78 : x
  2. Step 2: Convert to fraction form
    1,487,443.42/2,231,323.62 = 476,203.78/x
  3. Step 3: Cross multiply
    1,487,443.42x = 2,231,323.62 × 476,203.78
  4. Step 4: Simplify right side
    1,487,443.42x = 1,062,564,742,247.28
  5. Step 5: Solve for x
    x = 1,062,564,742,247.28/1,487,443.42
  6. Step 6: Final answer
    x = 714,356.41

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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.