Home / 484,890.87-669,155.96-270,036.35

Finding the Fourth Proportional to 484,890.87, 669,155.96 and 270,036.35

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Solution

The fourth proportional to 484,890.87, 669,155.96 and 270,036.35 is: 372,653.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,890.87 : 669,155.96 = 270,036.35 : x
  2. Step 2: Convert to fraction form
    484,890.87/669,155.96 = 270,036.35/x
  3. Step 3: Cross multiply
    484,890.87x = 669,155.96 × 270,036.35
  4. Step 4: Simplify right side
    484,890.87x = 180,696,428,323.18
  5. Step 5: Solve for x
    x = 180,696,428,323.18/484,890.87
  6. Step 6: Final answer
    x = 372,653.81

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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.