Home / 451,859.06-623,054.22-288,296.70

Finding the Fourth Proportional to 451,859.06, 623,054.22 and 288,296.70

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Solution

The fourth proportional to 451,859.06, 623,054.22 and 288,296.70 is: 397,523.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,859.06 : 623,054.22 = 288,296.70 : x
  2. Step 2: Convert to fraction form
    451,859.06/623,054.22 = 288,296.70/x
  3. Step 3: Cross multiply
    451,859.06x = 623,054.22 × 288,296.70
  4. Step 4: Simplify right side
    451,859.06x = 179,624,475,547.07
  5. Step 5: Solve for x
    x = 179,624,475,547.07/451,859.06
  6. Step 6: Final answer
    x = 397,523.24

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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.