Home / 729,029.40-1,093,544.10-542,405.40

Finding the Fourth Proportional to 729,029.40, 1,093,544.10 and 542,405.40

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Solution

The fourth proportional to 729,029.40, 1,093,544.10 and 542,405.40 is: 813,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,029.40 : 1,093,544.10 = 542,405.40 : x
  2. Step 2: Convert to fraction form
    729,029.40/1,093,544.10 = 542,405.40/x
  3. Step 3: Cross multiply
    729,029.40x = 1,093,544.10 × 542,405.40
  4. Step 4: Simplify right side
    729,029.40x = 593,144,224,978.14
  5. Step 5: Solve for x
    x = 593,144,224,978.14/729,029.40
  6. Step 6: Final answer
    x = 813,608.10

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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.