Home / 826,651.85-1,240,359.12-377,510.40

Finding the Fourth Proportional to 826,651.85, 1,240,359.12 and 377,510.40

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Solution

The fourth proportional to 826,651.85, 1,240,359.12 and 377,510.40 is: 566,439.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,651.85 : 1,240,359.12 = 377,510.40 : x
  2. Step 2: Convert to fraction form
    826,651.85/1,240,359.12 = 377,510.40/x
  3. Step 3: Cross multiply
    826,651.85x = 1,240,359.12 × 377,510.40
  4. Step 4: Simplify right side
    826,651.85x = 468,248,467,534.85
  5. Step 5: Solve for x
    x = 468,248,467,534.85/826,651.85
  6. Step 6: Final answer
    x = 566,439.75

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1.5x scale

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.