Home / 717,124.42-1,075,435.92-211,551.16

Finding the Fourth Proportional to 717,124.42, 1,075,435.92 and 211,551.16

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Solution

The fourth proportional to 717,124.42, 1,075,435.92 and 211,551.16 is: 317,252.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,124.42 : 1,075,435.92 = 211,551.16 : x
  2. Step 2: Convert to fraction form
    717,124.42/1,075,435.92 = 211,551.16/x
  3. Step 3: Cross multiply
    717,124.42x = 1,075,435.92 × 211,551.16
  4. Step 4: Simplify right side
    717,124.42x = 227,509,716,381.67
  5. Step 5: Solve for x
    x = 227,509,716,381.67/717,124.42
  6. Step 6: Final answer
    x = 317,252.78

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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.