Home / 1,431,100.08-1,974,941.16-819,250.38

Finding the Fourth Proportional to 1,431,100.08, 1,974,941.16 and 819,250.38

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Solution

The fourth proportional to 1,431,100.08, 1,974,941.16 and 819,250.38 is: 1,130,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,100.08 : 1,974,941.16 = 819,250.38 : x
  2. Step 2: Convert to fraction form
    1,431,100.08/1,974,941.16 = 819,250.38/x
  3. Step 3: Cross multiply
    1,431,100.08x = 1,974,941.16 × 819,250.38
  4. Step 4: Simplify right side
    1,431,100.08x = 1,617,971,295,807.64
  5. Step 5: Solve for x
    x = 1,617,971,295,807.64/1,431,100.08
  6. Step 6: Final answer
    x = 1,130,578.72

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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.