Home / 651,869.57-899,621.58-365,389.73

Finding the Fourth Proportional to 651,869.57, 899,621.58 and 365,389.73

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Solution

The fourth proportional to 651,869.57, 899,621.58 and 365,389.73 is: 504,261.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,869.57 : 899,621.58 = 365,389.73 : x
  2. Step 2: Convert to fraction form
    651,869.57/899,621.58 = 365,389.73/x
  3. Step 3: Cross multiply
    651,869.57x = 899,621.58 × 365,389.73
  4. Step 4: Simplify right side
    651,869.57x = 328,712,479,893.32
  5. Step 5: Solve for x
    x = 328,712,479,893.32/651,869.57
  6. Step 6: Final answer
    x = 504,261.12

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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.