Home / 824,320.08-1,242,837.09-819,202.50

Finding the Fourth Proportional to 824,320.08, 1,242,837.09 and 819,202.50

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Solution

The fourth proportional to 824,320.08, 1,242,837.09 and 819,202.50 is: 1,235,121.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,320.08 : 1,242,837.09 = 819,202.50 : x
  2. Step 2: Convert to fraction form
    824,320.08/1,242,837.09 = 819,202.50/x
  3. Step 3: Cross multiply
    824,320.08x = 1,242,837.09 × 819,202.50
  4. Step 4: Simplify right side
    824,320.08x = 1,018,135,251,220.73
  5. Step 5: Solve for x
    x = 1,018,135,251,220.73/824,320.08
  6. Step 6: Final answer
    x = 1,235,121.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.