Home / 559,619.06-772,274.43-304,970.30

Finding the Fourth Proportional to 559,619.06, 772,274.43 and 304,970.30

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Solution

The fourth proportional to 559,619.06, 772,274.43 and 304,970.30 is: 420,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,619.06 : 772,274.43 = 304,970.30 : x
  2. Step 2: Convert to fraction form
    559,619.06/772,274.43 = 304,970.30/x
  3. Step 3: Cross multiply
    559,619.06x = 772,274.43 × 304,970.30
  4. Step 4: Simplify right side
    559,619.06x = 235,520,764,599.43
  5. Step 5: Solve for x
    x = 235,520,764,599.43/559,619.06
  6. Step 6: Final answer
    x = 420,859.08

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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.