Home / 826,371.76-1,140,345.12-463,761.76

Finding the Fourth Proportional to 826,371.76, 1,140,345.12 and 463,761.76

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Solution

The fourth proportional to 826,371.76, 1,140,345.12 and 463,761.76 is: 639,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,371.76 : 1,140,345.12 = 463,761.76 : x
  2. Step 2: Convert to fraction form
    826,371.76/1,140,345.12 = 463,761.76/x
  3. Step 3: Cross multiply
    826,371.76x = 1,140,345.12 × 463,761.76
  4. Step 4: Simplify right side
    826,371.76x = 528,848,459,858.61
  5. Step 5: Solve for x
    x = 528,848,459,858.61/826,371.76
  6. Step 6: Final answer
    x = 639,964.34

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Double scale
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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.