Home / 1,781,495.60-2,671,984.20-519,191.60

Finding the Fourth Proportional to 1,781,495.60, 2,671,984.20 and 519,191.60

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Solution

The fourth proportional to 1,781,495.60, 2,671,984.20 and 519,191.60 is: 778,711.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,495.60 : 2,671,984.20 = 519,191.60 : x
  2. Step 2: Convert to fraction form
    1,781,495.60/2,671,984.20 = 519,191.60/x
  3. Step 3: Cross multiply
    1,781,495.60x = 2,671,984.20 × 519,191.60
  4. Step 4: Simplify right side
    1,781,495.60x = 1,387,271,751,972.72
  5. Step 5: Solve for x
    x = 1,387,271,751,972.72/1,781,495.60
  6. Step 6: Final answer
    x = 778,711.86

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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.