Home / 814,461.33-1,124,018.31-451,953.78

Finding the Fourth Proportional to 814,461.33, 1,124,018.31 and 451,953.78

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Solution

The fourth proportional to 814,461.33, 1,124,018.31 and 451,953.78 is: 623,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,461.33 : 1,124,018.31 = 451,953.78 : x
  2. Step 2: Convert to fraction form
    814,461.33/1,124,018.31 = 451,953.78/x
  3. Step 3: Cross multiply
    814,461.33x = 1,124,018.31 × 451,953.78
  4. Step 4: Simplify right side
    814,461.33x = 508,004,323,993.71
  5. Step 5: Solve for x
    x = 508,004,323,993.71/814,461.33
  6. Step 6: Final answer
    x = 623,730.44

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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.