Home / 786,232.74-1,084,926.21-459,622.11

Finding the Fourth Proportional to 786,232.74, 1,084,926.21 and 459,622.11

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Solution

The fourth proportional to 786,232.74, 1,084,926.21 and 459,622.11 is: 634,234.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,232.74 : 1,084,926.21 = 459,622.11 : x
  2. Step 2: Convert to fraction form
    786,232.74/1,084,926.21 = 459,622.11/x
  3. Step 3: Cross multiply
    786,232.74x = 1,084,926.21 × 459,622.11
  4. Step 4: Simplify right side
    786,232.74x = 498,656,073,834.50
  5. Step 5: Solve for x
    x = 498,656,073,834.50/786,232.74
  6. Step 6: Final answer
    x = 634,234.68

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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.