Home / 1,718,848.78-2,578,303.92-520,771.23

Finding the Fourth Proportional to 1,718,848.78, 2,578,303.92 and 520,771.23

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Solution

The fourth proportional to 1,718,848.78, 2,578,303.92 and 520,771.23 is: 781,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,848.78 : 2,578,303.92 = 520,771.23 : x
  2. Step 2: Convert to fraction form
    1,718,848.78/2,578,303.92 = 520,771.23/x
  3. Step 3: Cross multiply
    1,718,848.78x = 2,578,303.92 × 520,771.23
  4. Step 4: Simplify right side
    1,718,848.78x = 1,342,706,505,685.11
  5. Step 5: Solve for x
    x = 1,342,706,505,685.11/1,718,848.78
  6. Step 6: Final answer
    x = 781,166.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.