Home / 1,445,914.87-1,993,588.81-1,173,210.55

Finding the Fourth Proportional to 1,445,914.87, 1,993,588.81 and 1,173,210.55

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Solution

The fourth proportional to 1,445,914.87, 1,993,588.81 and 1,173,210.55 is: 1,617,591.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,914.87 : 1,993,588.81 = 1,173,210.55 : x
  2. Step 2: Convert to fraction form
    1,445,914.87/1,993,588.81 = 1,173,210.55/x
  3. Step 3: Cross multiply
    1,445,914.87x = 1,993,588.81 × 1,173,210.55
  4. Step 4: Simplify right side
    1,445,914.87x = 2,338,899,424,253.95
  5. Step 5: Solve for x
    x = 2,338,899,424,253.95/1,445,914.87
  6. Step 6: Final answer
    x = 1,617,591.38

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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.