Home / 1,019,706.20-1,528,181.46-388,275.56

Finding the Fourth Proportional to 1,019,706.20, 1,528,181.46 and 388,275.56

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Solution

The fourth proportional to 1,019,706.20, 1,528,181.46 and 388,275.56 is: 581,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,706.20 : 1,528,181.46 = 388,275.56 : x
  2. Step 2: Convert to fraction form
    1,019,706.20/1,528,181.46 = 388,275.56/x
  3. Step 3: Cross multiply
    1,019,706.20x = 1,528,181.46 × 388,275.56
  4. Step 4: Simplify right side
    1,019,706.20x = 593,355,515,983.57
  5. Step 5: Solve for x
    x = 593,355,515,983.57/1,019,706.20
  6. Step 6: Final answer
    x = 581,888.70

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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.