Home / 913,626.45-1,369,535.61-433,009.56

Finding the Fourth Proportional to 913,626.45, 1,369,535.61 and 433,009.56

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Solution

The fourth proportional to 913,626.45, 1,369,535.61 and 433,009.56 is: 649,085.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,626.45 : 1,369,535.61 = 433,009.56 : x
  2. Step 2: Convert to fraction form
    913,626.45/1,369,535.61 = 433,009.56/x
  3. Step 3: Cross multiply
    913,626.45x = 1,369,535.61 × 433,009.56
  4. Step 4: Simplify right side
    913,626.45x = 593,022,011,890.43
  5. Step 5: Solve for x
    x = 593,022,011,890.43/913,626.45
  6. Step 6: Final answer
    x = 649,085.86

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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.