Home / 528,064.20-792,089.10-173,089.80

Finding the Fourth Proportional to 528,064.20, 792,089.10 and 173,089.80

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Solution

The fourth proportional to 528,064.20, 792,089.10 and 173,089.80 is: 259,632.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,064.20 : 792,089.10 = 173,089.80 : x
  2. Step 2: Convert to fraction form
    528,064.20/792,089.10 = 173,089.80/x
  3. Step 3: Cross multiply
    528,064.20x = 792,089.10 × 173,089.80
  4. Step 4: Simplify right side
    528,064.20x = 137,102,543,901.18
  5. Step 5: Solve for x
    x = 137,102,543,901.18/528,064.20
  6. Step 6: Final answer
    x = 259,632.34

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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.