Home / 936,746.47-1,405,680.29-860,517.91

Finding the Fourth Proportional to 936,746.47, 1,405,680.29 and 860,517.91

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Solution

The fourth proportional to 936,746.47, 1,405,680.29 and 860,517.91 is: 1,291,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,746.47 : 1,405,680.29 = 860,517.91 : x
  2. Step 2: Convert to fraction form
    936,746.47/1,405,680.29 = 860,517.91/x
  3. Step 3: Cross multiply
    936,746.47x = 1,405,680.29 × 860,517.91
  4. Step 4: Simplify right side
    936,746.47x = 1,209,613,065,960.45
  5. Step 5: Solve for x
    x = 1,209,613,065,960.45/936,746.47
  6. Step 6: Final answer
    x = 1,291,291.83

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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.