Home / 637,549.99-956,221.20-258,455.41

Finding the Fourth Proportional to 637,549.99, 956,221.20 and 258,455.41

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Solution

The fourth proportional to 637,549.99, 956,221.20 and 258,455.41 is: 387,641.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,549.99 : 956,221.20 = 258,455.41 : x
  2. Step 2: Convert to fraction form
    637,549.99/956,221.20 = 258,455.41/x
  3. Step 3: Cross multiply
    637,549.99x = 956,221.20 × 258,455.41
  4. Step 4: Simplify right side
    637,549.99x = 247,140,539,906.14
  5. Step 5: Solve for x
    x = 247,140,539,906.14/637,549.99
  6. Step 6: Final answer
    x = 387,641.04

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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.