Home / 1,416,493.74-1,954,711.68-771,900.78

Finding the Fourth Proportional to 1,416,493.74, 1,954,711.68 and 771,900.78

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Solution

The fourth proportional to 1,416,493.74, 1,954,711.68 and 771,900.78 is: 1,065,196.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,493.74 : 1,954,711.68 = 771,900.78 : x
  2. Step 2: Convert to fraction form
    1,416,493.74/1,954,711.68 = 771,900.78/x
  3. Step 3: Cross multiply
    1,416,493.74x = 1,954,711.68 × 771,900.78
  4. Step 4: Simplify right side
    1,416,493.74x = 1,508,843,470,467.11
  5. Step 5: Solve for x
    x = 1,508,843,470,467.11/1,416,493.74
  6. Step 6: Final answer
    x = 1,065,196.00

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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.