Home / 691,556.40-1,038,112.20-534,481.20

Finding the Fourth Proportional to 691,556.40, 1,038,112.20 and 534,481.20

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Solution

The fourth proportional to 691,556.40, 1,038,112.20 and 534,481.20 is: 802,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,556.40 : 1,038,112.20 = 534,481.20 : x
  2. Step 2: Convert to fraction form
    691,556.40/1,038,112.20 = 534,481.20/x
  3. Step 3: Cross multiply
    691,556.40x = 1,038,112.20 × 534,481.20
  4. Step 4: Simplify right side
    691,556.40x = 554,851,454,390.64
  5. Step 5: Solve for x
    x = 554,851,454,390.64/691,556.40
  6. Step 6: Final answer
    x = 802,322.78

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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.