Home / 1,114,955.43-1,538,942.43-656,217.20

Finding the Fourth Proportional to 1,114,955.43, 1,538,942.43 and 656,217.20

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Solution

The fourth proportional to 1,114,955.43, 1,538,942.43 and 656,217.20 is: 905,758.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,955.43 : 1,538,942.43 = 656,217.20 : x
  2. Step 2: Convert to fraction form
    1,114,955.43/1,538,942.43 = 656,217.20/x
  3. Step 3: Cross multiply
    1,114,955.43x = 1,538,942.43 × 656,217.20
  4. Step 4: Simplify right side
    1,114,955.43x = 1,009,880,484,681.08
  5. Step 5: Solve for x
    x = 1,009,880,484,681.08/1,114,955.43
  6. Step 6: Final answer
    x = 905,758.61

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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.