Home / 1,317,784.41-1,976,836.57-371,155.13

Finding the Fourth Proportional to 1,317,784.41, 1,976,836.57 and 371,155.13

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Solution

The fourth proportional to 1,317,784.41, 1,976,836.57 and 371,155.13 is: 556,777.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,784.41 : 1,976,836.57 = 371,155.13 : x
  2. Step 2: Convert to fraction form
    1,317,784.41/1,976,836.57 = 371,155.13/x
  3. Step 3: Cross multiply
    1,317,784.41x = 1,976,836.57 × 371,155.13
  4. Step 4: Simplify right side
    1,317,784.41x = 733,713,030,728.17
  5. Step 5: Solve for x
    x = 733,713,030,728.17/1,317,784.41
  6. Step 6: Final answer
    x = 556,777.74

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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.