Home / 1,678,769.22-2,316,701.61-914,822.58

Finding the Fourth Proportional to 1,678,769.22, 2,316,701.61 and 914,822.58

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Solution

The fourth proportional to 1,678,769.22, 2,316,701.61 and 914,822.58 is: 1,262,455.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,769.22 : 2,316,701.61 = 914,822.58 : x
  2. Step 2: Convert to fraction form
    1,678,769.22/2,316,701.61 = 914,822.58/x
  3. Step 3: Cross multiply
    1,678,769.22x = 2,316,701.61 × 914,822.58
  4. Step 4: Simplify right side
    1,678,769.22x = 2,119,370,943,950.35
  5. Step 5: Solve for x
    x = 2,119,370,943,950.35/1,678,769.22
  6. Step 6: Final answer
    x = 1,262,455.21

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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.