Home / 677,215.12-934,574.67-382,841.43

Finding the Fourth Proportional to 677,215.12, 934,574.67 and 382,841.43

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Solution

The fourth proportional to 677,215.12, 934,574.67 and 382,841.43 is: 528,331.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,215.12 : 934,574.67 = 382,841.43 : x
  2. Step 2: Convert to fraction form
    677,215.12/934,574.67 = 382,841.43/x
  3. Step 3: Cross multiply
    677,215.12x = 934,574.67 × 382,841.43
  4. Step 4: Simplify right side
    677,215.12x = 357,793,903,104.58
  5. Step 5: Solve for x
    x = 357,793,903,104.58/677,215.12
  6. Step 6: Final answer
    x = 528,331.24

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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.