Home / 683,962.11-1,025,580.25-342,031.51

Finding the Fourth Proportional to 683,962.11, 1,025,580.25 and 342,031.51

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Solution

The fourth proportional to 683,962.11, 1,025,580.25 and 342,031.51 is: 512,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,962.11 : 1,025,580.25 = 342,031.51 : x
  2. Step 2: Convert to fraction form
    683,962.11/1,025,580.25 = 342,031.51/x
  3. Step 3: Cross multiply
    683,962.11x = 1,025,580.25 × 342,031.51
  4. Step 4: Simplify right side
    683,962.11x = 350,780,763,243.19
  5. Step 5: Solve for x
    x = 350,780,763,243.19/683,962.11
  6. Step 6: Final answer
    x = 512,865.78

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1.5x scale

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.