Home / 1,200,693.05-1,656,995.87-684,437.72

Finding the Fourth Proportional to 1,200,693.05, 1,656,995.87 and 684,437.72

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Solution

The fourth proportional to 1,200,693.05, 1,656,995.87 and 684,437.72 is: 944,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,693.05 : 1,656,995.87 = 684,437.72 : x
  2. Step 2: Convert to fraction form
    1,200,693.05/1,656,995.87 = 684,437.72/x
  3. Step 3: Cross multiply
    1,200,693.05x = 1,656,995.87 × 684,437.72
  4. Step 4: Simplify right side
    1,200,693.05x = 1,134,110,476,032.52
  5. Step 5: Solve for x
    x = 1,134,110,476,032.52/1,200,693.05
  6. Step 6: Final answer
    x = 944,546.55

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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.