Home / 874,908.60-1,312,881.30-576,245.40

Finding the Fourth Proportional to 874,908.60, 1,312,881.30 and 576,245.40

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Solution

The fourth proportional to 874,908.60, 1,312,881.30 and 576,245.40 is: 864,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,908.60 : 1,312,881.30 = 576,245.40 : x
  2. Step 2: Convert to fraction form
    874,908.60/1,312,881.30 = 576,245.40/x
  3. Step 3: Cross multiply
    874,908.60x = 1,312,881.30 × 576,245.40
  4. Step 4: Simplify right side
    874,908.60x = 756,541,809,871.02
  5. Step 5: Solve for x
    x = 756,541,809,871.02/874,908.60
  6. Step 6: Final answer
    x = 864,709.54

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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.