Home / 1,275,587.16-1,913,383.12-1,197,642.48

Finding the Fourth Proportional to 1,275,587.16, 1,913,383.12 and 1,197,642.48

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Solution

The fourth proportional to 1,275,587.16, 1,913,383.12 and 1,197,642.48 is: 1,796,465.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,587.16 : 1,913,383.12 = 1,197,642.48 : x
  2. Step 2: Convert to fraction form
    1,275,587.16/1,913,383.12 = 1,197,642.48/x
  3. Step 3: Cross multiply
    1,275,587.16x = 1,913,383.12 × 1,197,642.48
  4. Step 4: Simplify right side
    1,275,587.16x = 2,291,548,905,026.94
  5. Step 5: Solve for x
    x = 2,291,548,905,026.94/1,275,587.16
  6. Step 6: Final answer
    x = 1,796,465.95

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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.