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Finding the Fourth Proportional to 963,835.92, 1,330,101 and 534,123

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Solution

The fourth proportional to 963,835.92, 1,330,101 and 534,123 is: 737,093.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,835.92 : 1,330,101 = 534,123 : x
  2. Step 2: Convert to fraction form
    963,835.92/1,330,101 = 534,123/x
  3. Step 3: Cross multiply
    963,835.92x = 1,330,101 × 534,123
  4. Step 4: Simplify right side
    963,835.92x = 710,437,536,423
  5. Step 5: Solve for x
    x = 710,437,536,423/963,835.92
  6. Step 6: Final answer
    x = 737,093.86

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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.