Home / 555,740.41-766,921.60-301,091.59

Finding the Fourth Proportional to 555,740.41, 766,921.60 and 301,091.59

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Solution

The fourth proportional to 555,740.41, 766,921.60 and 301,091.59 is: 415,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,740.41 : 766,921.60 = 301,091.59 : x
  2. Step 2: Convert to fraction form
    555,740.41/766,921.60 = 301,091.59/x
  3. Step 3: Cross multiply
    555,740.41x = 766,921.60 × 301,091.59
  4. Step 4: Simplify right side
    555,740.41x = 230,913,643,949.34
  5. Step 5: Solve for x
    x = 230,913,643,949.34/555,740.41
  6. Step 6: Final answer
    x = 415,506.30

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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.