Home / 451,582.19-623,251.55-288,308.46

Finding the Fourth Proportional to 451,582.19, 623,251.55 and 288,308.46

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Solution

The fourth proportional to 451,582.19, 623,251.55 and 288,308.46 is: 397,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,582.19 : 623,251.55 = 288,308.46 : x
  2. Step 2: Convert to fraction form
    451,582.19/623,251.55 = 288,308.46/x
  3. Step 3: Cross multiply
    451,582.19x = 623,251.55 × 288,308.46
  4. Step 4: Simplify right side
    451,582.19x = 179,688,694,573.11
  5. Step 5: Solve for x
    x = 179,688,694,573.11/451,582.19
  6. Step 6: Final answer
    x = 397,909.17

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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.