Home / 755,216.56-1,042,203.19-411,051.67

Finding the Fourth Proportional to 755,216.56, 1,042,203.19 and 411,051.67

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Solution

The fourth proportional to 755,216.56, 1,042,203.19 and 411,051.67 is: 567,253.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,216.56 : 1,042,203.19 = 411,051.67 : x
  2. Step 2: Convert to fraction form
    755,216.56/1,042,203.19 = 411,051.67/x
  3. Step 3: Cross multiply
    755,216.56x = 1,042,203.19 × 411,051.67
  4. Step 4: Simplify right side
    755,216.56x = 428,399,361,728.83
  5. Step 5: Solve for x
    x = 428,399,361,728.83/755,216.56
  6. Step 6: Final answer
    x = 567,253.67

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Double scale
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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.