Home / 918,709.18-1,378,060.68-235,595.27

Finding the Fourth Proportional to 918,709.18, 1,378,060.68 and 235,595.27

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Solution

The fourth proportional to 918,709.18, 1,378,060.68 and 235,595.27 is: 353,392.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,709.18 : 1,378,060.68 = 235,595.27 : x
  2. Step 2: Convert to fraction form
    918,709.18/1,378,060.68 = 235,595.27/x
  3. Step 3: Cross multiply
    918,709.18x = 1,378,060.68 × 235,595.27
  4. Step 4: Simplify right side
    918,709.18x = 324,664,576,803.01
  5. Step 5: Solve for x
    x = 324,664,576,803.01/918,709.18
  6. Step 6: Final answer
    x = 353,392.11

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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.