Home / 922,630.14-1,273,273.83-520,213.50

Finding the Fourth Proportional to 922,630.14, 1,273,273.83 and 520,213.50

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Solution

The fourth proportional to 922,630.14, 1,273,273.83 and 520,213.50 is: 717,919.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,630.14 : 1,273,273.83 = 520,213.50 : x
  2. Step 2: Convert to fraction form
    922,630.14/1,273,273.83 = 520,213.50/x
  3. Step 3: Cross multiply
    922,630.14x = 1,273,273.83 × 520,213.50
  4. Step 4: Simplify right side
    922,630.14x = 662,374,235,562.71
  5. Step 5: Solve for x
    x = 662,374,235,562.71/922,630.14
  6. Step 6: Final answer
    x = 717,919.57

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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.