Home / 679,145.32-937,226.10-424,644.04

Finding the Fourth Proportional to 679,145.32, 937,226.10 and 424,644.04

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Solution

The fourth proportional to 679,145.32, 937,226.10 and 424,644.04 is: 586,012.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,145.32 : 937,226.10 = 424,644.04 : x
  2. Step 2: Convert to fraction form
    679,145.32/937,226.10 = 424,644.04/x
  3. Step 3: Cross multiply
    679,145.32x = 937,226.10 × 424,644.04
  4. Step 4: Simplify right side
    679,145.32x = 397,987,477,497.44
  5. Step 5: Solve for x
    x = 397,987,477,497.44/679,145.32
  6. Step 6: Final answer
    x = 586,012.25

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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.