Home / 621,966.13-931,977.19-432,796.10

Finding the Fourth Proportional to 621,966.13, 931,977.19 and 432,796.10

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Solution

The fourth proportional to 621,966.13, 931,977.19 and 432,796.10 is: 648,517.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,966.13 : 931,977.19 = 432,796.10 : x
  2. Step 2: Convert to fraction form
    621,966.13/931,977.19 = 432,796.10/x
  3. Step 3: Cross multiply
    621,966.13x = 931,977.19 × 432,796.10
  4. Step 4: Simplify right side
    621,966.13x = 403,356,087,379.08
  5. Step 5: Solve for x
    x = 403,356,087,379.08/621,966.13
  6. Step 6: Final answer
    x = 648,517.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.