Home / 717,073.40-1,075,359.18-211,500.14

Finding the Fourth Proportional to 717,073.40, 1,075,359.18 and 211,500.14

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Solution

The fourth proportional to 717,073.40, 1,075,359.18 and 211,500.14 is: 317,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,073.40 : 1,075,359.18 = 211,500.14 : x
  2. Step 2: Convert to fraction form
    717,073.40/1,075,359.18 = 211,500.14/x
  3. Step 3: Cross multiply
    717,073.40x = 1,075,359.18 × 211,500.14
  4. Step 4: Simplify right side
    717,073.40x = 227,438,617,120.29
  5. Step 5: Solve for x
    x = 227,438,617,120.29/717,073.40
  6. Step 6: Final answer
    x = 317,176.20

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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.