Home / 808,176.55-1,115,291.19-445,613.41

Finding the Fourth Proportional to 808,176.55, 1,115,291.19 and 445,613.41

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Solution

The fourth proportional to 808,176.55, 1,115,291.19 and 445,613.41 is: 614,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,176.55 : 1,115,291.19 = 445,613.41 : x
  2. Step 2: Convert to fraction form
    808,176.55/1,115,291.19 = 445,613.41/x
  3. Step 3: Cross multiply
    808,176.55x = 1,115,291.19 × 445,613.41
  4. Step 4: Simplify right side
    808,176.55x = 496,988,710,318.86
  5. Step 5: Solve for x
    x = 496,988,710,318.86/808,176.55
  6. Step 6: Final answer
    x = 614,950.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.