Home / 906,795.74-1,251,556.92-519,870.89

Finding the Fourth Proportional to 906,795.74, 1,251,556.92 and 519,870.89

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Solution

The fourth proportional to 906,795.74, 1,251,556.92 and 519,870.89 is: 717,524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,795.74 : 1,251,556.92 = 519,870.89 : x
  2. Step 2: Convert to fraction form
    906,795.74/1,251,556.92 = 519,870.89/x
  3. Step 3: Cross multiply
    906,795.74x = 1,251,556.92 × 519,870.89
  4. Step 4: Simplify right side
    906,795.74x = 650,648,013,014.95
  5. Step 5: Solve for x
    x = 650,648,013,014.95/906,795.74
  6. Step 6: Final answer
    x = 717,524.34

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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.