Home / 961,071.12-1,325,987.08-670,674.96

Finding the Fourth Proportional to 961,071.12, 1,325,987.08 and 670,674.96

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Solution

The fourth proportional to 961,071.12, 1,325,987.08 and 670,674.96 is: 925,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,071.12 : 1,325,987.08 = 670,674.96 : x
  2. Step 2: Convert to fraction form
    961,071.12/1,325,987.08 = 670,674.96/x
  3. Step 3: Cross multiply
    961,071.12x = 1,325,987.08 × 670,674.96
  4. Step 4: Simplify right side
    961,071.12x = 889,306,331,839.52
  5. Step 5: Solve for x
    x = 889,306,331,839.52/961,071.12
  6. Step 6: Final answer
    x = 925,328.33

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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.