Home / 409,319.65-564,876.75-237,243.25

Finding the Fourth Proportional to 409,319.65, 564,876.75 and 237,243.25

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Solution

The fourth proportional to 409,319.65, 564,876.75 and 237,243.25 is: 327,404.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,319.65 : 564,876.75 = 237,243.25 : x
  2. Step 2: Convert to fraction form
    409,319.65/564,876.75 = 237,243.25/x
  3. Step 3: Cross multiply
    409,319.65x = 564,876.75 × 237,243.25
  4. Step 4: Simplify right side
    409,319.65x = 134,013,196,019.44
  5. Step 5: Solve for x
    x = 134,013,196,019.44/409,319.65
  6. Step 6: Final answer
    x = 327,404.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.