Home / 922,269.75-1,272,732.26-498,333.75

Finding the Fourth Proportional to 922,269.75, 1,272,732.26 and 498,333.75

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Solution

The fourth proportional to 922,269.75, 1,272,732.26 and 498,333.75 is: 687,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,269.75 : 1,272,732.26 = 498,333.75 : x
  2. Step 2: Convert to fraction form
    922,269.75/1,272,732.26 = 498,333.75/x
  3. Step 3: Cross multiply
    922,269.75x = 1,272,732.26 × 498,333.75
  4. Step 4: Simplify right side
    922,269.75x = 634,245,437,380.11
  5. Step 5: Solve for x
    x = 634,245,437,380.11/922,269.75
  6. Step 6: Final answer
    x = 687,700.58

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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.