Home / 1,283,881.09-1,773,601.45-1,025,418.71

Finding the Fourth Proportional to 1,283,881.09, 1,773,601.45 and 1,025,418.71

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Solution

The fourth proportional to 1,283,881.09, 1,773,601.45 and 1,025,418.71 is: 1,416,551.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,881.09 : 1,773,601.45 = 1,025,418.71 : x
  2. Step 2: Convert to fraction form
    1,283,881.09/1,773,601.45 = 1,025,418.71/x
  3. Step 3: Cross multiply
    1,283,881.09x = 1,773,601.45 × 1,025,418.71
  4. Step 4: Simplify right side
    1,283,881.09x = 1,818,684,110,913.13
  5. Step 5: Solve for x
    x = 1,818,684,110,913.13/1,283,881.09
  6. Step 6: Final answer
    x = 1,416,551.83

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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.