Home / 1,214,569.80-1,820,635.46-415,304.76

Finding the Fourth Proportional to 1,214,569.80, 1,820,635.46 and 415,304.76

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Solution

The fourth proportional to 1,214,569.80, 1,820,635.46 and 415,304.76 is: 622,540.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,569.80 : 1,820,635.46 = 415,304.76 : x
  2. Step 2: Convert to fraction form
    1,214,569.80/1,820,635.46 = 415,304.76/x
  3. Step 3: Cross multiply
    1,214,569.80x = 1,820,635.46 × 415,304.76
  4. Step 4: Simplify right side
    1,214,569.80x = 756,118,572,762.79
  5. Step 5: Solve for x
    x = 756,118,572,762.79/1,214,569.80
  6. Step 6: Final answer
    x = 622,540.24

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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.