Home / 736,137.10-1,015,870.78-413,849.84

Finding the Fourth Proportional to 736,137.10, 1,015,870.78 and 413,849.84

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Solution

The fourth proportional to 736,137.10, 1,015,870.78 and 413,849.84 is: 571,113.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,137.10 : 1,015,870.78 = 413,849.84 : x
  2. Step 2: Convert to fraction form
    736,137.10/1,015,870.78 = 413,849.84/x
  3. Step 3: Cross multiply
    736,137.10x = 1,015,870.78 × 413,849.84
  4. Step 4: Simplify right side
    736,137.10x = 420,417,959,763.68
  5. Step 5: Solve for x
    x = 420,417,959,763.68/736,137.10
  6. Step 6: Final answer
    x = 571,113.67

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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.