Home / 839,832.40-1,259,748.60-524,904.40

Finding the Fourth Proportional to 839,832.40, 1,259,748.60 and 524,904.40

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Solution

The fourth proportional to 839,832.40, 1,259,748.60 and 524,904.40 is: 787,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,832.40 : 1,259,748.60 = 524,904.40 : x
  2. Step 2: Convert to fraction form
    839,832.40/1,259,748.60 = 524,904.40/x
  3. Step 3: Cross multiply
    839,832.40x = 1,259,748.60 × 524,904.40
  4. Step 4: Simplify right side
    839,832.40x = 661,247,583,033.84
  5. Step 5: Solve for x
    x = 661,247,583,033.84/839,832.40
  6. Step 6: Final answer
    x = 787,356.60

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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.