Home / 736,317.05-1,103,032.15-381,563.78

Finding the Fourth Proportional to 736,317.05, 1,103,032.15 and 381,563.78

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Solution

The fourth proportional to 736,317.05, 1,103,032.15 and 381,563.78 is: 571,597.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,317.05 : 1,103,032.15 = 381,563.78 : x
  2. Step 2: Convert to fraction form
    736,317.05/1,103,032.15 = 381,563.78/x
  3. Step 3: Cross multiply
    736,317.05x = 1,103,032.15 × 381,563.78
  4. Step 4: Simplify right side
    736,317.05x = 420,877,110,146.46
  5. Step 5: Solve for x
    x = 420,877,110,146.46/736,317.05
  6. Step 6: Final answer
    x = 571,597.67

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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.