Home / 820,561.34-1,131,481.95-533,549.18

Finding the Fourth Proportional to 820,561.34, 1,131,481.95 and 533,549.18

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Solution

The fourth proportional to 820,561.34, 1,131,481.95 and 533,549.18 is: 735,717.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,561.34 : 1,131,481.95 = 533,549.18 : x
  2. Step 2: Convert to fraction form
    820,561.34/1,131,481.95 = 533,549.18/x
  3. Step 3: Cross multiply
    820,561.34x = 1,131,481.95 × 533,549.18
  4. Step 4: Simplify right side
    820,561.34x = 603,701,260,949.89
  5. Step 5: Solve for x
    x = 603,701,260,949.89/820,561.34
  6. Step 6: Final answer
    x = 735,717.41

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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.