Home / 927,688.68-1,388,432.43-528,222.24

Finding the Fourth Proportional to 927,688.68, 1,388,432.43 and 528,222.24

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Solution

The fourth proportional to 927,688.68, 1,388,432.43 and 528,222.24 is: 790,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,688.68 : 1,388,432.43 = 528,222.24 : x
  2. Step 2: Convert to fraction form
    927,688.68/1,388,432.43 = 528,222.24/x
  3. Step 3: Cross multiply
    927,688.68x = 1,388,432.43 × 528,222.24
  4. Step 4: Simplify right side
    927,688.68x = 733,400,888,263.24
  5. Step 5: Solve for x
    x = 733,400,888,263.24/927,688.68
  6. Step 6: Final answer
    x = 790,567.90

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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.