Home / 885,764.90-1,328,647.35-836,776.10

Finding the Fourth Proportional to 885,764.90, 1,328,647.35 and 836,776.10

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Solution

The fourth proportional to 885,764.90, 1,328,647.35 and 836,776.10 is: 1,255,164.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,764.90 : 1,328,647.35 = 836,776.10 : x
  2. Step 2: Convert to fraction form
    885,764.90/1,328,647.35 = 836,776.10/x
  3. Step 3: Cross multiply
    885,764.90x = 1,328,647.35 × 836,776.10
  4. Step 4: Simplify right side
    885,764.90x = 1,111,780,347,808.34
  5. Step 5: Solve for x
    x = 1,111,780,347,808.34/885,764.90
  6. Step 6: Final answer
    x = 1,255,164.15

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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.