Home / 836,347.73-1,254,332.46-386,821.94

Finding the Fourth Proportional to 836,347.73, 1,254,332.46 and 386,821.94

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Solution

The fourth proportional to 836,347.73, 1,254,332.46 and 386,821.94 is: 580,145.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,347.73 : 1,254,332.46 = 386,821.94 : x
  2. Step 2: Convert to fraction form
    836,347.73/1,254,332.46 = 386,821.94/x
  3. Step 3: Cross multiply
    836,347.73x = 1,254,332.46 × 386,821.94
  4. Step 4: Simplify right side
    836,347.73x = 485,203,315,582.17
  5. Step 5: Solve for x
    x = 485,203,315,582.17/836,347.73
  6. Step 6: Final answer
    x = 580,145.43

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1.5x scale

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.