Home / 1,223,116.80-1,834,019.10-512,341.80

Finding the Fourth Proportional to 1,223,116.80, 1,834,019.10 and 512,341.80

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Solution

The fourth proportional to 1,223,116.80, 1,834,019.10 and 512,341.80 is: 768,237.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,116.80 : 1,834,019.10 = 512,341.80 : x
  2. Step 2: Convert to fraction form
    1,223,116.80/1,834,019.10 = 512,341.80/x
  3. Step 3: Cross multiply
    1,223,116.80x = 1,834,019.10 × 512,341.80
  4. Step 4: Simplify right side
    1,223,116.80x = 939,644,646,928.38
  5. Step 5: Solve for x
    x = 939,644,646,928.38/1,223,116.80
  6. Step 6: Final answer
    x = 768,237.87

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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.