Home / 783,895.80-1,081,774.44-435,089.66

Finding the Fourth Proportional to 783,895.80, 1,081,774.44 and 435,089.66

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Solution

The fourth proportional to 783,895.80, 1,081,774.44 and 435,089.66 is: 600,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,895.80 : 1,081,774.44 = 435,089.66 : x
  2. Step 2: Convert to fraction form
    783,895.80/1,081,774.44 = 435,089.66/x
  3. Step 3: Cross multiply
    783,895.80x = 1,081,774.44 × 435,089.66
  4. Step 4: Simplify right side
    783,895.80x = 470,668,876,000.73
  5. Step 5: Solve for x
    x = 470,668,876,000.73/783,895.80
  6. Step 6: Final answer
    x = 600,422.76

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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.