Home / 824,784.54-1,235,566.18-391,885.93

Finding the Fourth Proportional to 824,784.54, 1,235,566.18 and 391,885.93

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Solution

The fourth proportional to 824,784.54, 1,235,566.18 and 391,885.93 is: 587,063.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,784.54 : 1,235,566.18 = 391,885.93 : x
  2. Step 2: Convert to fraction form
    824,784.54/1,235,566.18 = 391,885.93/x
  3. Step 3: Cross multiply
    824,784.54x = 1,235,566.18 × 391,885.93
  4. Step 4: Simplify right side
    824,784.54x = 484,201,001,525.85
  5. Step 5: Solve for x
    x = 484,201,001,525.85/824,784.54
  6. Step 6: Final answer
    x = 587,063.62

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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.