Home / 761,223.20-1,050,487.97-417,072.15

Finding the Fourth Proportional to 761,223.20, 1,050,487.97 and 417,072.15

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Solution

The fourth proportional to 761,223.20, 1,050,487.97 and 417,072.15 is: 575,559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,223.20 : 1,050,487.97 = 417,072.15 : x
  2. Step 2: Convert to fraction form
    761,223.20/1,050,487.97 = 417,072.15/x
  3. Step 3: Cross multiply
    761,223.20x = 1,050,487.97 × 417,072.15
  4. Step 4: Simplify right side
    761,223.20x = 438,129,274,111.68
  5. Step 5: Solve for x
    x = 438,129,274,111.68/761,223.20
  6. Step 6: Final answer
    x = 575,559.54

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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.