Home / 1,416,209.87-1,954,345.02-771,635.36

Finding the Fourth Proportional to 1,416,209.87, 1,954,345.02 and 771,635.36

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Solution

The fourth proportional to 1,416,209.87, 1,954,345.02 and 771,635.36 is: 1,064,843.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,209.87 : 1,954,345.02 = 771,635.36 : x
  2. Step 2: Convert to fraction form
    1,416,209.87/1,954,345.02 = 771,635.36/x
  3. Step 3: Cross multiply
    1,416,209.87x = 1,954,345.02 × 771,635.36
  4. Step 4: Simplify right side
    1,416,209.87x = 1,508,041,725,064.14
  5. Step 5: Solve for x
    x = 1,508,041,725,064.14/1,416,209.87
  6. Step 6: Final answer
    x = 1,064,843.39

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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.