Home / 1,447,963.40-2,171,934.30-437,083.40

Finding the Fourth Proportional to 1,447,963.40, 2,171,934.30 and 437,083.40

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Solution

The fourth proportional to 1,447,963.40, 2,171,934.30 and 437,083.40 is: 655,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,963.40 : 2,171,934.30 = 437,083.40 : x
  2. Step 2: Convert to fraction form
    1,447,963.40/2,171,934.30 = 437,083.40/x
  3. Step 3: Cross multiply
    1,447,963.40x = 2,171,934.30 × 437,083.40
  4. Step 4: Simplify right side
    1,447,963.40x = 949,316,428,420.62
  5. Step 5: Solve for x
    x = 949,316,428,420.62/1,447,963.40
  6. Step 6: Final answer
    x = 655,621.84

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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.