Home / 788,976.90-1,180,512.90-523,256.40

Finding the Fourth Proportional to 788,976.90, 1,180,512.90 and 523,256.40

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Solution

The fourth proportional to 788,976.90, 1,180,512.90 and 523,256.40 is: 782,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,976.90 : 1,180,512.90 = 523,256.40 : x
  2. Step 2: Convert to fraction form
    788,976.90/1,180,512.90 = 523,256.40/x
  3. Step 3: Cross multiply
    788,976.90x = 1,180,512.90 × 523,256.40
  4. Step 4: Simplify right side
    788,976.90x = 617,710,930,207.56
  5. Step 5: Solve for x
    x = 617,710,930,207.56/788,976.90
  6. Step 6: Final answer
    x = 782,926.51

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1.5x scale

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.