Home / 677,214.12-934,573.29-382,840.43

Finding the Fourth Proportional to 677,214.12, 934,573.29 and 382,840.43

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Solution

The fourth proportional to 677,214.12, 934,573.29 and 382,840.43 is: 528,329.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,214.12 : 934,573.29 = 382,840.43 : x
  2. Step 2: Convert to fraction form
    677,214.12/934,573.29 = 382,840.43/x
  3. Step 3: Cross multiply
    677,214.12x = 934,573.29 × 382,840.43
  4. Step 4: Simplify right side
    677,214.12x = 357,792,436,255.07
  5. Step 5: Solve for x
    x = 357,792,436,255.07/677,214.12
  6. Step 6: Final answer
    x = 528,329.85

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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.