Home / 1,416,658.54-1,954,931.76-772,064.86

Finding the Fourth Proportional to 1,416,658.54, 1,954,931.76 and 772,064.86

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Solution

The fourth proportional to 1,416,658.54, 1,954,931.76 and 772,064.86 is: 1,065,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,658.54 : 1,954,931.76 = 772,064.86 : x
  2. Step 2: Convert to fraction form
    1,416,658.54/1,954,931.76 = 772,064.86/x
  3. Step 3: Cross multiply
    1,416,658.54x = 1,954,931.76 × 772,064.86
  4. Step 4: Simplify right side
    1,416,658.54x = 1,509,334,115,593.95
  5. Step 5: Solve for x
    x = 1,509,334,115,593.95/1,416,658.54
  6. Step 6: Final answer
    x = 1,065,418.43

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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.