Home / 1,019,706.32-1,528,181.63-388,275.68

Finding the Fourth Proportional to 1,019,706.32, 1,528,181.63 and 388,275.68

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Solution

The fourth proportional to 1,019,706.32, 1,528,181.63 and 388,275.68 is: 581,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,706.32 : 1,528,181.63 = 388,275.68 : x
  2. Step 2: Convert to fraction form
    1,019,706.32/1,528,181.63 = 388,275.68/x
  3. Step 3: Cross multiply
    1,019,706.32x = 1,528,181.63 × 388,275.68
  4. Step 4: Simplify right side
    1,019,706.32x = 593,355,764,886.87
  5. Step 5: Solve for x
    x = 593,355,764,886.87/1,019,706.32
  6. Step 6: Final answer
    x = 581,888.88

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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.