Home / 651,860.19-899,608.64-365,380.34

Finding the Fourth Proportional to 651,860.19, 899,608.64 and 365,380.34

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Solution

The fourth proportional to 651,860.19, 899,608.64 and 365,380.34 is: 504,248.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,860.19 : 899,608.64 = 365,380.34 : x
  2. Step 2: Convert to fraction form
    651,860.19/899,608.64 = 365,380.34/x
  3. Step 3: Cross multiply
    651,860.19x = 899,608.64 × 365,380.34
  4. Step 4: Simplify right side
    651,860.19x = 328,699,304,425.19
  5. Step 5: Solve for x
    x = 328,699,304,425.19/651,860.19
  6. Step 6: Final answer
    x = 504,248.16

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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.