Home / 1,718,690.76-2,578,167.35-520,712.30

Finding the Fourth Proportional to 1,718,690.76, 2,578,167.35 and 520,712.30

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Solution

The fourth proportional to 1,718,690.76, 2,578,167.35 and 520,712.30 is: 781,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,690.76 : 2,578,167.35 = 520,712.30 : x
  2. Step 2: Convert to fraction form
    1,718,690.76/2,578,167.35 = 520,712.30/x
  3. Step 3: Cross multiply
    1,718,690.76x = 2,578,167.35 × 520,712.30
  4. Step 4: Simplify right side
    1,718,690.76x = 1,342,483,450,603.41
  5. Step 5: Solve for x
    x = 1,342,483,450,603.41/1,718,690.76
  6. Step 6: Final answer
    x = 781,108.20

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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.