Home / 1,416,574.05-1,954,815.16-771,980.41

Finding the Fourth Proportional to 1,416,574.05, 1,954,815.16 and 771,980.41

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Solution

The fourth proportional to 1,416,574.05, 1,954,815.16 and 771,980.41 is: 1,065,301.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,574.05 : 1,954,815.16 = 771,980.41 : x
  2. Step 2: Convert to fraction form
    1,416,574.05/1,954,815.16 = 771,980.41/x
  3. Step 3: Cross multiply
    1,416,574.05x = 1,954,815.16 × 771,980.41
  4. Step 4: Simplify right side
    1,416,574.05x = 1,509,078,998,916.94
  5. Step 5: Solve for x
    x = 1,509,078,998,916.94/1,416,574.05
  6. Step 6: Final answer
    x = 1,065,301.88

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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.