Home / 1,571,599.38-2,168,428.78-917,854.66

Finding the Fourth Proportional to 1,571,599.38, 2,168,428.78 and 917,854.66

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Solution

The fourth proportional to 1,571,599.38, 2,168,428.78 and 917,854.66 is: 1,266,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,599.38 : 2,168,428.78 = 917,854.66 : x
  2. Step 2: Convert to fraction form
    1,571,599.38/2,168,428.78 = 917,854.66/x
  3. Step 3: Cross multiply
    1,571,599.38x = 2,168,428.78 × 917,854.66
  4. Step 4: Simplify right side
    1,571,599.38x = 1,990,302,452,885.41
  5. Step 5: Solve for x
    x = 1,990,302,452,885.41/1,571,599.38
  6. Step 6: Final answer
    x = 1,266,418.45

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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.