Home / 646,970.22-892,795.23-360,475.38

Finding the Fourth Proportional to 646,970.22, 892,795.23 and 360,475.38

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Solution

The fourth proportional to 646,970.22, 892,795.23 and 360,475.38 is: 497,442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,970.22 : 892,795.23 = 360,475.38 : x
  2. Step 2: Convert to fraction form
    646,970.22/892,795.23 = 360,475.38/x
  3. Step 3: Cross multiply
    646,970.22x = 892,795.23 × 360,475.38
  4. Step 4: Simplify right side
    646,970.22x = 321,830,699,796.44
  5. Step 5: Solve for x
    x = 321,830,699,796.44/646,970.22
  6. Step 6: Final answer
    x = 497,442.83

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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.