Home / 825,574.64-1,139,291.01-458,107.61

Finding the Fourth Proportional to 825,574.64, 1,139,291.01 and 458,107.61

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Solution

The fourth proportional to 825,574.64, 1,139,291.01 and 458,107.61 is: 632,187.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,574.64 : 1,139,291.01 = 458,107.61 : x
  2. Step 2: Convert to fraction form
    825,574.64/1,139,291.01 = 458,107.61/x
  3. Step 3: Cross multiply
    825,574.64x = 1,139,291.01 × 458,107.61
  4. Step 4: Simplify right side
    825,574.64x = 521,917,875,989.13
  5. Step 5: Solve for x
    x = 521,917,875,989.13/825,574.64
  6. Step 6: Final answer
    x = 632,187.39

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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.