Home / 592,840.67-818,120.60-320,907.72

Finding the Fourth Proportional to 592,840.67, 818,120.60 and 320,907.72

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Solution

The fourth proportional to 592,840.67, 818,120.60 and 320,907.72 is: 442,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,840.67 : 818,120.60 = 320,907.72 : x
  2. Step 2: Convert to fraction form
    592,840.67/818,120.60 = 320,907.72/x
  3. Step 3: Cross multiply
    592,840.67x = 818,120.60 × 320,907.72
  4. Step 4: Simplify right side
    592,840.67x = 262,541,214,826.49
  5. Step 5: Solve for x
    x = 262,541,214,826.49/592,840.67
  6. Step 6: Final answer
    x = 442,852.91

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1.5x scale

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.