Home / 685,178.60-1,027,762.20-535,544.66

Finding the Fourth Proportional to 685,178.60, 1,027,762.20 and 535,544.66

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Solution

The fourth proportional to 685,178.60, 1,027,762.20 and 535,544.66 is: 803,312.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,178.60 : 1,027,762.20 = 535,544.66 : x
  2. Step 2: Convert to fraction form
    685,178.60/1,027,762.20 = 535,544.66/x
  3. Step 3: Cross multiply
    685,178.60x = 1,027,762.20 × 535,544.66
  4. Step 4: Simplify right side
    685,178.60x = 550,412,557,959.85
  5. Step 5: Solve for x
    x = 550,412,557,959.85/685,178.60
  6. Step 6: Final answer
    x = 803,312.53

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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.