Home / 1,385,755.11-2,065,823.32-1,363,916.20

Finding the Fourth Proportional to 1,385,755.11, 2,065,823.32 and 1,363,916.20

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Solution

The fourth proportional to 1,385,755.11, 2,065,823.32 and 1,363,916.20 is: 2,033,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,755.11 : 2,065,823.32 = 1,363,916.20 : x
  2. Step 2: Convert to fraction form
    1,385,755.11/2,065,823.32 = 1,363,916.20/x
  3. Step 3: Cross multiply
    1,385,755.11x = 2,065,823.32 × 1,363,916.20
  4. Step 4: Simplify right side
    1,385,755.11x = 2,817,609,900,975.57
  5. Step 5: Solve for x
    x = 2,817,609,900,975.57/1,385,755.11
  6. Step 6: Final answer
    x = 2,033,266.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.