Home / 811,200.54-1,119,332.39-466,969.95

Finding the Fourth Proportional to 811,200.54, 1,119,332.39 and 466,969.95

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Solution

The fourth proportional to 811,200.54, 1,119,332.39 and 466,969.95 is: 644,346.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,200.54 : 1,119,332.39 = 466,969.95 : x
  2. Step 2: Convert to fraction form
    811,200.54/1,119,332.39 = 466,969.95/x
  3. Step 3: Cross multiply
    811,200.54x = 1,119,332.39 × 466,969.95
  4. Step 4: Simplify right side
    811,200.54x = 522,694,587,856.83
  5. Step 5: Solve for x
    x = 522,694,587,856.83/811,200.54
  6. Step 6: Final answer
    x = 644,346.94

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1.5x scale

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.