Home / 985,568.06-1,478,512.04-386,204.31

Finding the Fourth Proportional to 985,568.06, 1,478,512.04 and 386,204.31

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Solution

The fourth proportional to 985,568.06, 1,478,512.04 and 386,204.31 is: 579,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,568.06 : 1,478,512.04 = 386,204.31 : x
  2. Step 2: Convert to fraction form
    985,568.06/1,478,512.04 = 386,204.31/x
  3. Step 3: Cross multiply
    985,568.06x = 1,478,512.04 × 386,204.31
  4. Step 4: Simplify right side
    985,568.06x = 571,007,720,303.87
  5. Step 5: Solve for x
    x = 571,007,720,303.87/985,568.06
  6. Step 6: Final answer
    x = 579,369.14

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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.