Home / 753,000.93-1,039,139.15-451,194.93

Finding the Fourth Proportional to 753,000.93, 1,039,139.15 and 451,194.93

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Solution

The fourth proportional to 753,000.93, 1,039,139.15 and 451,194.93 is: 622,647.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,000.93 : 1,039,139.15 = 451,194.93 : x
  2. Step 2: Convert to fraction form
    753,000.93/1,039,139.15 = 451,194.93/x
  3. Step 3: Cross multiply
    753,000.93x = 1,039,139.15 × 451,194.93
  4. Step 4: Simplify right side
    753,000.93x = 468,854,313,788.54
  5. Step 5: Solve for x
    x = 468,854,313,788.54/753,000.93
  6. Step 6: Final answer
    x = 622,647.72

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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.