Home / 869,554.24-1,200,048.62-482,430.53

Finding the Fourth Proportional to 869,554.24, 1,200,048.62 and 482,430.53

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Solution

The fourth proportional to 869,554.24, 1,200,048.62 and 482,430.53 is: 665,789.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,554.24 : 1,200,048.62 = 482,430.53 : x
  2. Step 2: Convert to fraction form
    869,554.24/1,200,048.62 = 482,430.53/x
  3. Step 3: Cross multiply
    869,554.24x = 1,200,048.62 × 482,430.53
  4. Step 4: Simplify right side
    869,554.24x = 578,940,092,360.34
  5. Step 5: Solve for x
    x = 578,940,092,360.34/869,554.24
  6. Step 6: Final answer
    x = 665,789.51

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Double scale
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Similar ratio
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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.