Home / 753,323.62-1,129,985.43-332,515.66

Finding the Fourth Proportional to 753,323.62, 1,129,985.43 and 332,515.66

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Solution

The fourth proportional to 753,323.62, 1,129,985.43 and 332,515.66 is: 498,773.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,323.62 : 1,129,985.43 = 332,515.66 : x
  2. Step 2: Convert to fraction form
    753,323.62/1,129,985.43 = 332,515.66/x
  3. Step 3: Cross multiply
    753,323.62x = 1,129,985.43 × 332,515.66
  4. Step 4: Simplify right side
    753,323.62x = 375,737,851,046.83
  5. Step 5: Solve for x
    x = 375,737,851,046.83/753,323.62
  6. Step 6: Final answer
    x = 498,773.49

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Half scale
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Double scale
Find fourth proportional to 753,324.62, 1,129,986.93 and 332,516.66
Similar ratio
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1.5x scale

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.