Home / 1,147,395.62-1,583,407.56-638,097.98

Finding the Fourth Proportional to 1,147,395.62, 1,583,407.56 and 638,097.98

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Solution

The fourth proportional to 1,147,395.62, 1,583,407.56 and 638,097.98 is: 880,576.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,395.62 : 1,583,407.56 = 638,097.98 : x
  2. Step 2: Convert to fraction form
    1,147,395.62/1,583,407.56 = 638,097.98/x
  3. Step 3: Cross multiply
    1,147,395.62x = 1,583,407.56 × 638,097.98
  4. Step 4: Simplify right side
    1,147,395.62x = 1,010,369,165,552.73
  5. Step 5: Solve for x
    x = 1,010,369,165,552.73/1,147,395.62
  6. Step 6: Final answer
    x = 880,576.10

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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.