Home / 962,919.50-1,328,812.63-533,190.40

Finding the Fourth Proportional to 962,919.50, 1,328,812.63 and 533,190.40

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Solution

The fourth proportional to 962,919.50, 1,328,812.63 and 533,190.40 is: 735,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,919.50 : 1,328,812.63 = 533,190.40 : x
  2. Step 2: Convert to fraction form
    962,919.50/1,328,812.63 = 533,190.40/x
  3. Step 3: Cross multiply
    962,919.50x = 1,328,812.63 × 533,190.40
  4. Step 4: Simplify right side
    962,919.50x = 708,510,128,404.74
  5. Step 5: Solve for x
    x = 708,510,128,404.74/962,919.50
  6. Step 6: Final answer
    x = 735,793.73

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1.5x scale

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.