Home / 922,157.96-1,272,520.38-508,699.52

Finding the Fourth Proportional to 922,157.96, 1,272,520.38 and 508,699.52

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Solution

The fourth proportional to 922,157.96, 1,272,520.38 and 508,699.52 is: 701,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,157.96 : 1,272,520.38 = 508,699.52 : x
  2. Step 2: Convert to fraction form
    922,157.96/1,272,520.38 = 508,699.52/x
  3. Step 3: Cross multiply
    922,157.96x = 1,272,520.38 × 508,699.52
  4. Step 4: Simplify right side
    922,157.96x = 647,330,508,692.94
  5. Step 5: Solve for x
    x = 647,330,508,692.94/922,157.96
  6. Step 6: Final answer
    x = 701,973.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.