Home / 1,231,641.90-1,700,465.58-1,102,356.48

Finding the Fourth Proportional to 1,231,641.90, 1,700,465.58 and 1,102,356.48

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Solution

The fourth proportional to 1,231,641.90, 1,700,465.58 and 1,102,356.48 is: 1,521,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,641.90 : 1,700,465.58 = 1,102,356.48 : x
  2. Step 2: Convert to fraction form
    1,231,641.90/1,700,465.58 = 1,102,356.48/x
  3. Step 3: Cross multiply
    1,231,641.90x = 1,700,465.58 × 1,102,356.48
  4. Step 4: Simplify right side
    1,231,641.90x = 1,874,519,251,129.96
  5. Step 5: Solve for x
    x = 1,874,519,251,129.96/1,231,641.90
  6. Step 6: Final answer
    x = 1,521,967.75

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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.