Home / 761,081.21-1,050,278.80-416,923.97

Finding the Fourth Proportional to 761,081.21, 1,050,278.80 and 416,923.97

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Solution

The fourth proportional to 761,081.21, 1,050,278.80 and 416,923.97 is: 575,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,081.21 : 1,050,278.80 = 416,923.97 : x
  2. Step 2: Convert to fraction form
    761,081.21/1,050,278.80 = 416,923.97/x
  3. Step 3: Cross multiply
    761,081.21x = 1,050,278.80 × 416,923.97
  4. Step 4: Simplify right side
    761,081.21x = 437,886,400,609.13
  5. Step 5: Solve for x
    x = 437,886,400,609.13/761,081.21
  6. Step 6: Final answer
    x = 575,347.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.