Home / 716,739.90-1,075,109.85-218,246.46

Finding the Fourth Proportional to 716,739.90, 1,075,109.85 and 218,246.46

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Solution

The fourth proportional to 716,739.90, 1,075,109.85 and 218,246.46 is: 327,369.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,739.90 : 1,075,109.85 = 218,246.46 : x
  2. Step 2: Convert to fraction form
    716,739.90/1,075,109.85 = 218,246.46/x
  3. Step 3: Cross multiply
    716,739.90x = 1,075,109.85 × 218,246.46
  4. Step 4: Simplify right side
    716,739.90x = 234,638,918,873.63
  5. Step 5: Solve for x
    x = 234,638,918,873.63/716,739.90
  6. Step 6: Final answer
    x = 327,369.69

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.