Home / 1,418,111.89-2,127,166.65-519,623.91

Finding the Fourth Proportional to 1,418,111.89, 2,127,166.65 and 519,623.91

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Solution

The fourth proportional to 1,418,111.89, 2,127,166.65 and 519,623.91 is: 779,435.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,111.89 : 2,127,166.65 = 519,623.91 : x
  2. Step 2: Convert to fraction form
    1,418,111.89/2,127,166.65 = 519,623.91/x
  3. Step 3: Cross multiply
    1,418,111.89x = 2,127,166.65 × 519,623.91
  4. Step 4: Simplify right side
    1,418,111.89x = 1,105,326,651,894.60
  5. Step 5: Solve for x
    x = 1,105,326,651,894.60/1,418,111.89
  6. Step 6: Final answer
    x = 779,435.43

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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.