Home / 1,781,064.96-2,671,626.64-518,961.92

Finding the Fourth Proportional to 1,781,064.96, 2,671,626.64 and 518,961.92

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Solution

The fourth proportional to 1,781,064.96, 2,671,626.64 and 518,961.92 is: 778,451.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,064.96 : 2,671,626.64 = 518,961.92 : x
  2. Step 2: Convert to fraction form
    1,781,064.96/2,671,626.64 = 518,961.92/x
  3. Step 3: Cross multiply
    1,781,064.96x = 2,671,626.64 × 518,961.92
  4. Step 4: Simplify right side
    1,781,064.96x = 1,386,472,490,617.55
  5. Step 5: Solve for x
    x = 1,386,472,490,617.55/1,781,064.96
  6. Step 6: Final answer
    x = 778,451.39

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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.