Home / 717,645.58-1,070,033.35-691,713.70

Finding the Fourth Proportional to 717,645.58, 1,070,033.35 and 691,713.70

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Solution

The fourth proportional to 717,645.58, 1,070,033.35 and 691,713.70 is: 1,031,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,645.58 : 1,070,033.35 = 691,713.70 : x
  2. Step 2: Convert to fraction form
    717,645.58/1,070,033.35 = 691,713.70/x
  3. Step 3: Cross multiply
    717,645.58x = 1,070,033.35 × 691,713.70
  4. Step 4: Simplify right side
    717,645.58x = 740,156,727,651.90
  5. Step 5: Solve for x
    x = 740,156,727,651.90/717,645.58
  6. Step 6: Final answer
    x = 1,031,368.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.