Home / 1,286,819.66-1,776,024.01-714,044.36

Finding the Fourth Proportional to 1,286,819.66, 1,776,024.01 and 714,044.36

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Solution

The fourth proportional to 1,286,819.66, 1,776,024.01 and 714,044.36 is: 985,499.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,819.66 : 1,776,024.01 = 714,044.36 : x
  2. Step 2: Convert to fraction form
    1,286,819.66/1,776,024.01 = 714,044.36/x
  3. Step 3: Cross multiply
    1,286,819.66x = 1,776,024.01 × 714,044.36
  4. Step 4: Simplify right side
    1,286,819.66x = 1,268,159,927,565.08
  5. Step 5: Solve for x
    x = 1,268,159,927,565.08/1,286,819.66
  6. Step 6: Final answer
    x = 985,499.34

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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.