Home / 825,697.53-1,139,371.47-463,046.76

Finding the Fourth Proportional to 825,697.53, 1,139,371.47 and 463,046.76

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Solution

The fourth proportional to 825,697.53, 1,139,371.47 and 463,046.76 is: 638,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,697.53 : 1,139,371.47 = 463,046.76 : x
  2. Step 2: Convert to fraction form
    825,697.53/1,139,371.47 = 463,046.76/x
  3. Step 3: Cross multiply
    825,697.53x = 1,139,371.47 × 463,046.76
  4. Step 4: Simplify right side
    825,697.53x = 527,582,267,619.94
  5. Step 5: Solve for x
    x = 527,582,267,619.94/825,697.53
  6. Step 6: Final answer
    x = 638,953.43

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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.