Home / 953,766.22-1,430,870.91-279,820.30

Finding the Fourth Proportional to 953,766.22, 1,430,870.91 and 279,820.30

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Solution

The fourth proportional to 953,766.22, 1,430,870.91 and 279,820.30 is: 419,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,766.22 : 1,430,870.91 = 279,820.30 : x
  2. Step 2: Convert to fraction form
    953,766.22/1,430,870.91 = 279,820.30/x
  3. Step 3: Cross multiply
    953,766.22x = 1,430,870.91 × 279,820.30
  4. Step 4: Simplify right side
    953,766.22x = 400,386,727,297.47
  5. Step 5: Solve for x
    x = 400,386,727,297.47/953,766.22
  6. Step 6: Final answer
    x = 419,795.46

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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.