Home / 528,739.83-792,941.81-173,671.20

Finding the Fourth Proportional to 528,739.83, 792,941.81 and 173,671.20

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Solution

The fourth proportional to 528,739.83, 792,941.81 and 173,671.20 is: 260,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,739.83 : 792,941.81 = 173,671.20 : x
  2. Step 2: Convert to fraction form
    528,739.83/792,941.81 = 173,671.20/x
  3. Step 3: Cross multiply
    528,739.83x = 792,941.81 × 173,671.20
  4. Step 4: Simplify right side
    528,739.83x = 137,711,154,804.52
  5. Step 5: Solve for x
    x = 137,711,154,804.52/528,739.83
  6. Step 6: Final answer
    x = 260,451.64

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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.