Home / 1,585,897.20-2,188,482.57-860,730.39

Finding the Fourth Proportional to 1,585,897.20, 2,188,482.57 and 860,730.39

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Solution

The fourth proportional to 1,585,897.20, 2,188,482.57 and 860,730.39 is: 1,187,777.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,897.20 : 2,188,482.57 = 860,730.39 : x
  2. Step 2: Convert to fraction form
    1,585,897.20/2,188,482.57 = 860,730.39/x
  3. Step 3: Cross multiply
    1,585,897.20x = 2,188,482.57 × 860,730.39
  4. Step 4: Simplify right side
    1,585,897.20x = 1,883,693,455,984.30
  5. Step 5: Solve for x
    x = 1,883,693,455,984.30/1,585,897.20
  6. Step 6: Final answer
    x = 1,187,777.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.