Home / 1,619,283.68-2,428,920.40-437,331.68

Finding the Fourth Proportional to 1,619,283.68, 2,428,920.40 and 437,331.68

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Solution

The fourth proportional to 1,619,283.68, 2,428,920.40 and 437,331.68 is: 655,996.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,283.68 : 2,428,920.40 = 437,331.68 : x
  2. Step 2: Convert to fraction form
    1,619,283.68/2,428,920.40 = 437,331.68/x
  3. Step 3: Cross multiply
    1,619,283.68x = 2,428,920.40 × 437,331.68
  4. Step 4: Simplify right side
    1,619,283.68x = 1,062,243,839,118.27
  5. Step 5: Solve for x
    x = 1,062,243,839,118.27/1,619,283.68
  6. Step 6: Final answer
    x = 655,996.14

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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.