Home / 784,886.75-1,083,151.10-445,328.27

Finding the Fourth Proportional to 784,886.75, 1,083,151.10 and 445,328.27

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Solution

The fourth proportional to 784,886.75, 1,083,151.10 and 445,328.27 is: 614,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,886.75 : 1,083,151.10 = 445,328.27 : x
  2. Step 2: Convert to fraction form
    784,886.75/1,083,151.10 = 445,328.27/x
  3. Step 3: Cross multiply
    784,886.75x = 1,083,151.10 × 445,328.27
  4. Step 4: Simplify right side
    784,886.75x = 482,357,805,511.60
  5. Step 5: Solve for x
    x = 482,357,805,511.60/784,886.75
  6. Step 6: Final answer
    x = 614,557.20

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