Home / 775,316.55-1,069,780.01-452,964.36

Finding the Fourth Proportional to 775,316.55, 1,069,780.01 and 452,964.36

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Solution

The fourth proportional to 775,316.55, 1,069,780.01 and 452,964.36 is: 624,999.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,316.55 : 1,069,780.01 = 452,964.36 : x
  2. Step 2: Convert to fraction form
    775,316.55/1,069,780.01 = 452,964.36/x
  3. Step 3: Cross multiply
    775,316.55x = 1,069,780.01 × 452,964.36
  4. Step 4: Simplify right side
    775,316.55x = 484,572,217,570.44
  5. Step 5: Solve for x
    x = 484,572,217,570.44/775,316.55
  6. Step 6: Final answer
    x = 624,999.19

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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.