Home / 706,912.30-1,060,368.45-426,976.30

Finding the Fourth Proportional to 706,912.30, 1,060,368.45 and 426,976.30

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Solution

The fourth proportional to 706,912.30, 1,060,368.45 and 426,976.30 is: 640,464.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,912.30 : 1,060,368.45 = 426,976.30 : x
  2. Step 2: Convert to fraction form
    706,912.30/1,060,368.45 = 426,976.30/x
  3. Step 3: Cross multiply
    706,912.30x = 1,060,368.45 × 426,976.30
  4. Step 4: Simplify right side
    706,912.30x = 452,752,197,417.74
  5. Step 5: Solve for x
    x = 452,752,197,417.74/706,912.30
  6. Step 6: Final answer
    x = 640,464.45

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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.