Home / 938,539.46-1,407,809.15-432,950.86

Finding the Fourth Proportional to 938,539.46, 1,407,809.15 and 432,950.86

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Solution

The fourth proportional to 938,539.46, 1,407,809.15 and 432,950.86 is: 649,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,539.46 : 1,407,809.15 = 432,950.86 : x
  2. Step 2: Convert to fraction form
    938,539.46/1,407,809.15 = 432,950.86/x
  3. Step 3: Cross multiply
    938,539.46x = 1,407,809.15 × 432,950.86
  4. Step 4: Simplify right side
    938,539.46x = 609,512,175,169.32
  5. Step 5: Solve for x
    x = 609,512,175,169.32/938,539.46
  6. Step 6: Final answer
    x = 649,426.27

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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.