Home / 827,465.29-1,243,066.37-490,726.81

Finding the Fourth Proportional to 827,465.29, 1,243,066.37 and 490,726.81

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Solution

The fourth proportional to 827,465.29, 1,243,066.37 and 490,726.81 is: 737,198.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,465.29 : 1,243,066.37 = 490,726.81 : x
  2. Step 2: Convert to fraction form
    827,465.29/1,243,066.37 = 490,726.81/x
  3. Step 3: Cross multiply
    827,465.29x = 1,243,066.37 × 490,726.81
  4. Step 4: Simplify right side
    827,465.29x = 610,005,991,260.71
  5. Step 5: Solve for x
    x = 610,005,991,260.71/827,465.29
  6. Step 6: Final answer
    x = 737,198.28

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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.