Home / 874,888.80-1,312,333.20-500,949.60

Finding the Fourth Proportional to 874,888.80, 1,312,333.20 and 500,949.60

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Solution

The fourth proportional to 874,888.80, 1,312,333.20 and 500,949.60 is: 751,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,888.80 : 1,312,333.20 = 500,949.60 : x
  2. Step 2: Convert to fraction form
    874,888.80/1,312,333.20 = 500,949.60/x
  3. Step 3: Cross multiply
    874,888.80x = 1,312,333.20 × 500,949.60
  4. Step 4: Simplify right side
    874,888.80x = 657,412,791,606.72
  5. Step 5: Solve for x
    x = 657,412,791,606.72/874,888.80
  6. Step 6: Final answer
    x = 751,424.40

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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.