Home / 651,905.01-899,556.84-361,509.28

Finding the Fourth Proportional to 651,905.01, 899,556.84 and 361,509.28

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Solution

The fourth proportional to 651,905.01, 899,556.84 and 361,509.28 is: 498,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,905.01 : 899,556.84 = 361,509.28 : x
  2. Step 2: Convert to fraction form
    651,905.01/899,556.84 = 361,509.28/x
  3. Step 3: Cross multiply
    651,905.01x = 899,556.84 × 361,509.28
  4. Step 4: Simplify right side
    651,905.01x = 325,198,143,298.58
  5. Step 5: Solve for x
    x = 325,198,143,298.58/651,905.01
  6. Step 6: Final answer
    x = 498,842.83

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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.