Home / 626,529.06-864,601.20-340,041.78

Finding the Fourth Proportional to 626,529.06, 864,601.20 and 340,041.78

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Solution

The fourth proportional to 626,529.06, 864,601.20 and 340,041.78 is: 469,252.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,529.06 : 864,601.20 = 340,041.78 : x
  2. Step 2: Convert to fraction form
    626,529.06/864,601.20 = 340,041.78/x
  3. Step 3: Cross multiply
    626,529.06x = 864,601.20 × 340,041.78
  4. Step 4: Simplify right side
    626,529.06x = 294,000,531,038.14
  5. Step 5: Solve for x
    x = 294,000,531,038.14/626,529.06
  6. Step 6: Final answer
    x = 469,252.82

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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.