Home / 557,110.13-768,811.97-302,461.34

Finding the Fourth Proportional to 557,110.13, 768,811.97 and 302,461.34

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Solution

The fourth proportional to 557,110.13, 768,811.97 and 302,461.34 is: 417,396.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,110.13 : 768,811.97 = 302,461.34 : x
  2. Step 2: Convert to fraction form
    557,110.13/768,811.97 = 302,461.34/x
  3. Step 3: Cross multiply
    557,110.13x = 768,811.97 × 302,461.34
  4. Step 4: Simplify right side
    557,110.13x = 232,535,897,141.93
  5. Step 5: Solve for x
    x = 232,535,897,141.93/557,110.13
  6. Step 6: Final answer
    x = 417,396.64

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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.