Home / 1,228,767.85-1,695,494.05-684,784.81

Finding the Fourth Proportional to 1,228,767.85, 1,695,494.05 and 684,784.81

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Solution

The fourth proportional to 1,228,767.85, 1,695,494.05 and 684,784.81 is: 944,888.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,767.85 : 1,695,494.05 = 684,784.81 : x
  2. Step 2: Convert to fraction form
    1,228,767.85/1,695,494.05 = 684,784.81/x
  3. Step 3: Cross multiply
    1,228,767.85x = 1,695,494.05 × 684,784.81
  4. Step 4: Simplify right side
    1,228,767.85x = 1,161,048,570,885.38
  5. Step 5: Solve for x
    x = 1,161,048,570,885.38/1,228,767.85
  6. Step 6: Final answer
    x = 944,888.47

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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.