Home / 868,464.08-1,300,771.32-667,303.76

Finding the Fourth Proportional to 868,464.08, 1,300,771.32 and 667,303.76

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Solution

The fourth proportional to 868,464.08, 1,300,771.32 and 667,303.76 is: 999,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,464.08 : 1,300,771.32 = 667,303.76 : x
  2. Step 2: Convert to fraction form
    868,464.08/1,300,771.32 = 667,303.76/x
  3. Step 3: Cross multiply
    868,464.08x = 1,300,771.32 × 667,303.76
  4. Step 4: Simplify right side
    868,464.08x = 868,009,592,736.16
  5. Step 5: Solve for x
    x = 868,009,592,736.16/868,464.08
  6. Step 6: Final answer
    x = 999,476.68

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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.