Home / 912,621.16-1,369,060.38-281,586.28

Finding the Fourth Proportional to 912,621.16, 1,369,060.38 and 281,586.28

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Solution

The fourth proportional to 912,621.16, 1,369,060.38 and 281,586.28 is: 422,419.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,621.16 : 1,369,060.38 = 281,586.28 : x
  2. Step 2: Convert to fraction form
    912,621.16/1,369,060.38 = 281,586.28/x
  3. Step 3: Cross multiply
    912,621.16x = 1,369,060.38 × 281,586.28
  4. Step 4: Simplify right side
    912,621.16x = 385,508,619,499.59
  5. Step 5: Solve for x
    x = 385,508,619,499.59/912,621.16
  6. Step 6: Final answer
    x = 422,419.11

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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.