Home / 805,883.28-1,112,156.64-466,285.92

Finding the Fourth Proportional to 805,883.28, 1,112,156.64 and 466,285.92

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Solution

The fourth proportional to 805,883.28, 1,112,156.64 and 466,285.92 is: 643,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,883.28 : 1,112,156.64 = 466,285.92 : x
  2. Step 2: Convert to fraction form
    805,883.28/1,112,156.64 = 466,285.92/x
  3. Step 3: Cross multiply
    805,883.28x = 1,112,156.64 × 466,285.92
  4. Step 4: Simplify right side
    805,883.28x = 518,582,982,066.51
  5. Step 5: Solve for x
    x = 518,582,982,066.51/805,883.28
  6. Step 6: Final answer
    x = 643,496.39

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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.