Home / 959,378.40-1,323,946.08-523,797.12

Finding the Fourth Proportional to 959,378.40, 1,323,946.08 and 523,797.12

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Solution

The fourth proportional to 959,378.40, 1,323,946.08 and 523,797.12 is: 722,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,378.40 : 1,323,946.08 = 523,797.12 : x
  2. Step 2: Convert to fraction form
    959,378.40/1,323,946.08 = 523,797.12/x
  3. Step 3: Cross multiply
    959,378.40x = 1,323,946.08 × 523,797.12
  4. Step 4: Simplify right side
    959,378.40x = 693,479,143,739.29
  5. Step 5: Solve for x
    x = 693,479,143,739.29/959,378.40
  6. Step 6: Final answer
    x = 722,842.15

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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.