Home / 875,317.64-1,311,872.01-469,503.39

Finding the Fourth Proportional to 875,317.64, 1,311,872.01 and 469,503.39

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Solution

The fourth proportional to 875,317.64, 1,311,872.01 and 469,503.39 is: 703,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,317.64 : 1,311,872.01 = 469,503.39 : x
  2. Step 2: Convert to fraction form
    875,317.64/1,311,872.01 = 469,503.39/x
  3. Step 3: Cross multiply
    875,317.64x = 1,311,872.01 × 469,503.39
  4. Step 4: Simplify right side
    875,317.64x = 615,928,355,941.11
  5. Step 5: Solve for x
    x = 615,928,355,941.11/875,317.64
  6. Step 6: Final answer
    x = 703,662.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.