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Finding the Fourth Proportional to 985,041, 1,356,638.22 and 849,024.72

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Solution

The fourth proportional to 985,041, 1,356,638.22 and 849,024.72 is: 1,169,311.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,041 : 1,356,638.22 = 849,024.72 : x
  2. Step 2: Convert to fraction form
    985,041/1,356,638.22 = 849,024.72/x
  3. Step 3: Cross multiply
    985,041x = 1,356,638.22 × 849,024.72
  4. Step 4: Simplify right side
    985,041x = 1,151,819,384,876.80
  5. Step 5: Solve for x
    x = 1,151,819,384,876.80/985,041
  6. Step 6: Final answer
    x = 1,169,311.11

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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.