Home / 911,538.20-1,257,953.82-572,193.56

Finding the Fourth Proportional to 911,538.20, 1,257,953.82 and 572,193.56

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Solution

The fourth proportional to 911,538.20, 1,257,953.82 and 572,193.56 is: 789,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,538.20 : 1,257,953.82 = 572,193.56 : x
  2. Step 2: Convert to fraction form
    911,538.20/1,257,953.82 = 572,193.56/x
  3. Step 3: Cross multiply
    911,538.20x = 1,257,953.82 × 572,193.56
  4. Step 4: Simplify right side
    911,538.20x = 719,793,074,581.40
  5. Step 5: Solve for x
    x = 719,793,074,581.40/911,538.20
  6. Step 6: Final answer
    x = 789,646.64

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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.