Home / 1,275,777.76-1,913,669.32-1,197,833.08

Finding the Fourth Proportional to 1,275,777.76, 1,913,669.32 and 1,197,833.08

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Solution

The fourth proportional to 1,275,777.76, 1,913,669.32 and 1,197,833.08 is: 1,796,752.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,777.76 : 1,913,669.32 = 1,197,833.08 : x
  2. Step 2: Convert to fraction form
    1,275,777.76/1,913,669.32 = 1,197,833.08/x
  3. Step 3: Cross multiply
    1,275,777.76x = 1,913,669.32 × 1,197,833.08
  4. Step 4: Simplify right side
    1,275,777.76x = 2,292,256,415,677.11
  5. Step 5: Solve for x
    x = 2,292,256,415,677.11/1,275,777.76
  6. Step 6: Final answer
    x = 1,796,752.14

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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.