Home / 555,734.41-766,914.23-301,085.60

Finding the Fourth Proportional to 555,734.41, 766,914.23 and 301,085.60

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Solution

The fourth proportional to 555,734.41, 766,914.23 and 301,085.60 is: 415,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,734.41 : 766,914.23 = 301,085.60 : x
  2. Step 2: Convert to fraction form
    555,734.41/766,914.23 = 301,085.60/x
  3. Step 3: Cross multiply
    555,734.41x = 766,914.23 × 301,085.60
  4. Step 4: Simplify right side
    555,734.41x = 230,906,828,006.23
  5. Step 5: Solve for x
    x = 230,906,828,006.23/555,734.41
  6. Step 6: Final answer
    x = 415,498.53

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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.