Home / 1,585,867.83-2,188,499.76-860,715.57

Finding the Fourth Proportional to 1,585,867.83, 2,188,499.76 and 860,715.57

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Solution

The fourth proportional to 1,585,867.83, 2,188,499.76 and 860,715.57 is: 1,187,788.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,867.83 : 2,188,499.76 = 860,715.57 : x
  2. Step 2: Convert to fraction form
    1,585,867.83/2,188,499.76 = 860,715.57/x
  3. Step 3: Cross multiply
    1,585,867.83x = 2,188,499.76 × 860,715.57
  4. Step 4: Simplify right side
    1,585,867.83x = 1,883,675,818,373.26
  5. Step 5: Solve for x
    x = 1,883,675,818,373.26/1,585,867.83
  6. Step 6: Final answer
    x = 1,187,788.66

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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.