Home / 847,168.05-1,169,112.23-459,999.79

Finding the Fourth Proportional to 847,168.05, 1,169,112.23 and 459,999.79

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Solution

The fourth proportional to 847,168.05, 1,169,112.23 and 459,999.79 is: 634,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,168.05 : 1,169,112.23 = 459,999.79 : x
  2. Step 2: Convert to fraction form
    847,168.05/1,169,112.23 = 459,999.79/x
  3. Step 3: Cross multiply
    847,168.05x = 1,169,112.23 × 459,999.79
  4. Step 4: Simplify right side
    847,168.05x = 537,791,380,286.43
  5. Step 5: Solve for x
    x = 537,791,380,286.43/847,168.05
  6. Step 6: Final answer
    x = 634,810.74

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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.