Home / 926,695.35-1,388,566.80-687,546.90

Finding the Fourth Proportional to 926,695.35, 1,388,566.80 and 687,546.90

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Solution

The fourth proportional to 926,695.35, 1,388,566.80 and 687,546.90 is: 1,030,225.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,695.35 : 1,388,566.80 = 687,546.90 : x
  2. Step 2: Convert to fraction form
    926,695.35/1,388,566.80 = 687,546.90/x
  3. Step 3: Cross multiply
    926,695.35x = 1,388,566.80 × 687,546.90
  4. Step 4: Simplify right side
    926,695.35x = 954,704,798,782.92
  5. Step 5: Solve for x
    x = 954,704,798,782.92/926,695.35
  6. Step 6: Final answer
    x = 1,030,225.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.