Home / 714,215.58-1,070,867.61-309,189.66

Finding the Fourth Proportional to 714,215.58, 1,070,867.61 and 309,189.66

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Solution

The fourth proportional to 714,215.58, 1,070,867.61 and 309,189.66 is: 463,587.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,215.58 : 1,070,867.61 = 309,189.66 : x
  2. Step 2: Convert to fraction form
    714,215.58/1,070,867.61 = 309,189.66/x
  3. Step 3: Cross multiply
    714,215.58x = 1,070,867.61 × 309,189.66
  4. Step 4: Simplify right side
    714,215.58x = 331,101,192,240.91
  5. Step 5: Solve for x
    x = 331,101,192,240.91/714,215.58
  6. Step 6: Final answer
    x = 463,587.19

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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.