Home / 672,258.30-1,007,777.12-335,401.98

Finding the Fourth Proportional to 672,258.30, 1,007,777.12 and 335,401.98

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Solution

The fourth proportional to 672,258.30, 1,007,777.12 and 335,401.98 is: 502,798.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,258.30 : 1,007,777.12 = 335,401.98 : x
  2. Step 2: Convert to fraction form
    672,258.30/1,007,777.12 = 335,401.98/x
  3. Step 3: Cross multiply
    672,258.30x = 1,007,777.12 × 335,401.98
  4. Step 4: Simplify right side
    672,258.30x = 338,010,439,769.69
  5. Step 5: Solve for x
    x = 338,010,439,769.69/672,258.30
  6. Step 6: Final answer
    x = 502,798.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.