Home / 1,222,764.30-1,834,802.55-512,864.10

Finding the Fourth Proportional to 1,222,764.30, 1,834,802.55 and 512,864.10

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Solution

The fourth proportional to 1,222,764.30, 1,834,802.55 and 512,864.10 is: 769,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,764.30 : 1,834,802.55 = 512,864.10 : x
  2. Step 2: Convert to fraction form
    1,222,764.30/1,834,802.55 = 512,864.10/x
  3. Step 3: Cross multiply
    1,222,764.30x = 1,834,802.55 × 512,864.10
  4. Step 4: Simplify right side
    1,222,764.30x = 941,004,358,483.46
  5. Step 5: Solve for x
    x = 941,004,358,483.46/1,222,764.30
  6. Step 6: Final answer
    x = 769,571.34

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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.