Home / 754,491.78-1,041,181.38-414,965.70

Finding the Fourth Proportional to 754,491.78, 1,041,181.38 and 414,965.70

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Solution

The fourth proportional to 754,491.78, 1,041,181.38 and 414,965.70 is: 572,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,491.78 : 1,041,181.38 = 414,965.70 : x
  2. Step 2: Convert to fraction form
    754,491.78/1,041,181.38 = 414,965.70/x
  3. Step 3: Cross multiply
    754,491.78x = 1,041,181.38 × 414,965.70
  4. Step 4: Simplify right side
    754,491.78x = 432,054,560,178.67
  5. Step 5: Solve for x
    x = 432,054,560,178.67/754,491.78
  6. Step 6: Final answer
    x = 572,643.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.