Home / 733,420.56-1,012,124.02-427,708.95

Finding the Fourth Proportional to 733,420.56, 1,012,124.02 and 427,708.95

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Solution

The fourth proportional to 733,420.56, 1,012,124.02 and 427,708.95 is: 590,240.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,420.56 : 1,012,124.02 = 427,708.95 : x
  2. Step 2: Convert to fraction form
    733,420.56/1,012,124.02 = 427,708.95/x
  3. Step 3: Cross multiply
    733,420.56x = 1,012,124.02 × 427,708.95
  4. Step 4: Simplify right side
    733,420.56x = 432,894,501,863.98
  5. Step 5: Solve for x
    x = 432,894,501,863.98/733,420.56
  6. Step 6: Final answer
    x = 590,240.48

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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.