Home / 983,221.76-1,356,975.35-553,585.61

Finding the Fourth Proportional to 983,221.76, 1,356,975.35 and 553,585.61

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Solution

The fourth proportional to 983,221.76, 1,356,975.35 and 553,585.61 is: 764,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,221.76 : 1,356,975.35 = 553,585.61 : x
  2. Step 2: Convert to fraction form
    983,221.76/1,356,975.35 = 553,585.61/x
  3. Step 3: Cross multiply
    983,221.76x = 1,356,975.35 × 553,585.61
  4. Step 4: Simplify right side
    983,221.76x = 751,202,026,884.71
  5. Step 5: Solve for x
    x = 751,202,026,884.71/983,221.76
  6. Step 6: Final answer
    x = 764,020.95

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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.