Home / 1,308,355.56-1,962,531.76-409,867.28

Finding the Fourth Proportional to 1,308,355.56, 1,962,531.76 and 409,867.28

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Solution

The fourth proportional to 1,308,355.56, 1,962,531.76 and 409,867.28 is: 614,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,355.56 : 1,962,531.76 = 409,867.28 : x
  2. Step 2: Convert to fraction form
    1,308,355.56/1,962,531.76 = 409,867.28/x
  3. Step 3: Cross multiply
    1,308,355.56x = 1,962,531.76 × 409,867.28
  4. Step 4: Simplify right side
    1,308,355.56x = 804,377,554,384.81
  5. Step 5: Solve for x
    x = 804,377,554,384.81/1,308,355.56
  6. Step 6: Final answer
    x = 614,800.43

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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.