Home / 526,587.72-789,904.06-206,808.89

Finding the Fourth Proportional to 526,587.72, 789,904.06 and 206,808.89

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Solution

The fourth proportional to 526,587.72, 789,904.06 and 206,808.89 is: 310,222.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,587.72 : 789,904.06 = 206,808.89 : x
  2. Step 2: Convert to fraction form
    526,587.72/789,904.06 = 206,808.89/x
  3. Step 3: Cross multiply
    526,587.72x = 789,904.06 × 206,808.89
  4. Step 4: Simplify right side
    526,587.72x = 163,359,181,421.78
  5. Step 5: Solve for x
    x = 163,359,181,421.78/526,587.72
  6. Step 6: Final answer
    x = 310,222.16

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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.