Home / 847,722.48-1,169,798.04-465,765.36

Finding the Fourth Proportional to 847,722.48, 1,169,798.04 and 465,765.36

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Solution

The fourth proportional to 847,722.48, 1,169,798.04 and 465,765.36 is: 642,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,722.48 : 1,169,798.04 = 465,765.36 : x
  2. Step 2: Convert to fraction form
    847,722.48/1,169,798.04 = 465,765.36/x
  3. Step 3: Cross multiply
    847,722.48x = 1,169,798.04 × 465,765.36
  4. Step 4: Simplify right side
    847,722.48x = 544,851,405,227.89
  5. Step 5: Solve for x
    x = 544,851,405,227.89/847,722.48
  6. Step 6: Final answer
    x = 642,723.79

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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.