Home / 1,040,420.46-1,560,630.66-292,466.46

Finding the Fourth Proportional to 1,040,420.46, 1,560,630.66 and 292,466.46

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Solution

The fourth proportional to 1,040,420.46, 1,560,630.66 and 292,466.46 is: 438,699.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,420.46 : 1,560,630.66 = 292,466.46 : x
  2. Step 2: Convert to fraction form
    1,040,420.46/1,560,630.66 = 292,466.46/x
  3. Step 3: Cross multiply
    1,040,420.46x = 1,560,630.66 × 292,466.46
  4. Step 4: Simplify right side
    1,040,420.46x = 456,432,124,497.66
  5. Step 5: Solve for x
    x = 456,432,124,497.66/1,040,420.46
  6. Step 6: Final answer
    x = 438,699.68

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.