Home / 1,718,854.41-2,578,312.37-520,776.86

Finding the Fourth Proportional to 1,718,854.41, 2,578,312.37 and 520,776.86

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Solution

The fourth proportional to 1,718,854.41, 2,578,312.37 and 520,776.86 is: 781,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,854.41 : 2,578,312.37 = 520,776.86 : x
  2. Step 2: Convert to fraction form
    1,718,854.41/2,578,312.37 = 520,776.86/x
  3. Step 3: Cross multiply
    1,718,854.41x = 2,578,312.37 × 520,776.86
  4. Step 4: Simplify right side
    1,718,854.41x = 1,342,725,404,652.31
  5. Step 5: Solve for x
    x = 1,342,725,404,652.31/1,718,854.41
  6. Step 6: Final answer
    x = 781,174.60

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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.