Home / 621,664.56-857,898.41-367,032.15

Finding the Fourth Proportional to 621,664.56, 857,898.41 and 367,032.15

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Solution

The fourth proportional to 621,664.56, 857,898.41 and 367,032.15 is: 506,505.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,664.56 : 857,898.41 = 367,032.15 : x
  2. Step 2: Convert to fraction form
    621,664.56/857,898.41 = 367,032.15/x
  3. Step 3: Cross multiply
    621,664.56x = 857,898.41 × 367,032.15
  4. Step 4: Simplify right side
    621,664.56x = 314,876,296,068.72
  5. Step 5: Solve for x
    x = 314,876,296,068.72/621,664.56
  6. Step 6: Final answer
    x = 506,505.14

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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.