Home / 716,725.50-1,075,064.40-211,294.86

Finding the Fourth Proportional to 716,725.50, 1,075,064.40 and 211,294.86

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Solution

The fourth proportional to 716,725.50, 1,075,064.40 and 211,294.86 is: 316,935.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,725.50 : 1,075,064.40 = 211,294.86 : x
  2. Step 2: Convert to fraction form
    716,725.50/1,075,064.40 = 211,294.86/x
  3. Step 3: Cross multiply
    716,725.50x = 1,075,064.40 × 211,294.86
  4. Step 4: Simplify right side
    716,725.50x = 227,155,581,888.98
  5. Step 5: Solve for x
    x = 227,155,581,888.98/716,725.50
  6. Step 6: Final answer
    x = 316,935.26

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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.