Home / 735,475.25-1,014,949.78-413,178.48

Finding the Fourth Proportional to 735,475.25, 1,014,949.78 and 413,178.48

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Solution

The fourth proportional to 735,475.25, 1,014,949.78 and 413,178.48 is: 570,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,475.25 : 1,014,949.78 = 413,178.48 : x
  2. Step 2: Convert to fraction form
    735,475.25/1,014,949.78 = 413,178.48/x
  3. Step 3: Cross multiply
    735,475.25x = 1,014,949.78 × 413,178.48
  4. Step 4: Simplify right side
    735,475.25x = 419,355,406,343.79
  5. Step 5: Solve for x
    x = 419,355,406,343.79/735,475.25
  6. Step 6: Final answer
    x = 570,182.89

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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.