Home / 746,920.64-1,030,764.50-407,401.04

Finding the Fourth Proportional to 746,920.64, 1,030,764.50 and 407,401.04

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Solution

The fourth proportional to 746,920.64, 1,030,764.50 and 407,401.04 is: 562,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,920.64 : 1,030,764.50 = 407,401.04 : x
  2. Step 2: Convert to fraction form
    746,920.64/1,030,764.50 = 407,401.04/x
  3. Step 3: Cross multiply
    746,920.64x = 1,030,764.50 × 407,401.04
  4. Step 4: Simplify right side
    746,920.64x = 419,934,529,295.08
  5. Step 5: Solve for x
    x = 419,934,529,295.08/746,920.64
  6. Step 6: Final answer
    x = 562,221.08

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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.