Home / 1,718,531.80-2,577,141.60-520,055.80

Finding the Fourth Proportional to 1,718,531.80, 2,577,141.60 and 520,055.80

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Solution

The fourth proportional to 1,718,531.80, 2,577,141.60 and 520,055.80 is: 779,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,531.80 : 2,577,141.60 = 520,055.80 : x
  2. Step 2: Convert to fraction form
    1,718,531.80/2,577,141.60 = 520,055.80/x
  3. Step 3: Cross multiply
    1,718,531.80x = 2,577,141.60 × 520,055.80
  4. Step 4: Simplify right side
    1,718,531.80x = 1,340,257,436,501.28
  5. Step 5: Solve for x
    x = 1,340,257,436,501.28/1,718,531.80
  6. Step 6: Final answer
    x = 779,885.15

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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.