Home / 716,722.50-1,075,059.90-211,291.86

Finding the Fourth Proportional to 716,722.50, 1,075,059.90 and 211,291.86

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Solution

The fourth proportional to 716,722.50, 1,075,059.90 and 211,291.86 is: 316,930.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,722.50 : 1,075,059.90 = 211,291.86 : x
  2. Step 2: Convert to fraction form
    716,722.50/1,075,059.90 = 211,291.86/x
  3. Step 3: Cross multiply
    716,722.50x = 1,075,059.90 × 211,291.86
  4. Step 4: Simplify right side
    716,722.50x = 227,151,405,882.41
  5. Step 5: Solve for x
    x = 227,151,405,882.41/716,722.50
  6. Step 6: Final answer
    x = 316,930.76

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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.