Home / 1,781,214.30-2,671,821.45-519,083.10

Finding the Fourth Proportional to 1,781,214.30, 2,671,821.45 and 519,083.10

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Solution

The fourth proportional to 1,781,214.30, 2,671,821.45 and 519,083.10 is: 778,624.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,214.30 : 2,671,821.45 = 519,083.10 : x
  2. Step 2: Convert to fraction form
    1,781,214.30/2,671,821.45 = 519,083.10/x
  3. Step 3: Cross multiply
    1,781,214.30x = 2,671,821.45 × 519,083.10
  4. Step 4: Simplify right side
    1,781,214.30x = 1,386,897,360,912.50
  5. Step 5: Solve for x
    x = 1,386,897,360,912.50/1,781,214.30
  6. Step 6: Final answer
    x = 778,624.65

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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.