Home / 742,216.86-1,023,627.51-516,401.82

Finding the Fourth Proportional to 742,216.86, 1,023,627.51 and 516,401.82

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Solution

The fourth proportional to 742,216.86, 1,023,627.51 and 516,401.82 is: 712,194.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,216.86 : 1,023,627.51 = 516,401.82 : x
  2. Step 2: Convert to fraction form
    742,216.86/1,023,627.51 = 516,401.82/x
  3. Step 3: Cross multiply
    742,216.86x = 1,023,627.51 × 516,401.82
  4. Step 4: Simplify right side
    742,216.86x = 528,603,109,166.07
  5. Step 5: Solve for x
    x = 528,603,109,166.07/742,216.86
  6. Step 6: Final answer
    x = 712,194.96

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Double scale
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1.5x scale

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.