Home / 1,112,925.44-1,669,455.76-314,267.20

Finding the Fourth Proportional to 1,112,925.44, 1,669,455.76 and 314,267.20

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Solution

The fourth proportional to 1,112,925.44, 1,669,455.76 and 314,267.20 is: 471,419.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,925.44 : 1,669,455.76 = 314,267.20 : x
  2. Step 2: Convert to fraction form
    1,112,925.44/1,669,455.76 = 314,267.20/x
  3. Step 3: Cross multiply
    1,112,925.44x = 1,669,455.76 × 314,267.20
  4. Step 4: Simplify right side
    1,112,925.44x = 524,655,187,219.07
  5. Step 5: Solve for x
    x = 524,655,187,219.07/1,112,925.44
  6. Step 6: Final answer
    x = 471,419.89

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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.