Home / 677,429.23-934,872.95-371,518.35

Finding the Fourth Proportional to 677,429.23, 934,872.95 and 371,518.35

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Solution

The fourth proportional to 677,429.23, 934,872.95 and 371,518.35 is: 512,706.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,429.23 : 934,872.95 = 371,518.35 : x
  2. Step 2: Convert to fraction form
    677,429.23/934,872.95 = 371,518.35/x
  3. Step 3: Cross multiply
    677,429.23x = 934,872.95 × 371,518.35
  4. Step 4: Simplify right side
    677,429.23x = 347,322,456,772.43
  5. Step 5: Solve for x
    x = 347,322,456,772.43/677,429.23
  6. Step 6: Final answer
    x = 512,706.63

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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.