Home / 1,386,747.24-1,914,300.45-843,056.64

Finding the Fourth Proportional to 1,386,747.24, 1,914,300.45 and 843,056.64

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Solution

The fourth proportional to 1,386,747.24, 1,914,300.45 and 843,056.64 is: 1,163,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,747.24 : 1,914,300.45 = 843,056.64 : x
  2. Step 2: Convert to fraction form
    1,386,747.24/1,914,300.45 = 843,056.64/x
  3. Step 3: Cross multiply
    1,386,747.24x = 1,914,300.45 × 843,056.64
  4. Step 4: Simplify right side
    1,386,747.24x = 1,613,863,705,327.49
  5. Step 5: Solve for x
    x = 1,613,863,705,327.49/1,386,747.24
  6. Step 6: Final answer
    x = 1,163,776.40

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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.