Home / 942,995.48-1,420,793.90-853,152.19

Finding the Fourth Proportional to 942,995.48, 1,420,793.90 and 853,152.19

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Solution

The fourth proportional to 942,995.48, 1,420,793.90 and 853,152.19 is: 1,285,428.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,995.48 : 1,420,793.90 = 853,152.19 : x
  2. Step 2: Convert to fraction form
    942,995.48/1,420,793.90 = 853,152.19/x
  3. Step 3: Cross multiply
    942,995.48x = 1,420,793.90 × 853,152.19
  4. Step 4: Simplify right side
    942,995.48x = 1,212,153,428,897.54
  5. Step 5: Solve for x
    x = 1,212,153,428,897.54/942,995.48
  6. Step 6: Final answer
    x = 1,285,428.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.