Home / 935,256.66-1,290,653.91-505,536.54

Finding the Fourth Proportional to 935,256.66, 1,290,653.91 and 505,536.54

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Solution

The fourth proportional to 935,256.66, 1,290,653.91 and 505,536.54 is: 697,640.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,256.66 : 1,290,653.91 = 505,536.54 : x
  2. Step 2: Convert to fraction form
    935,256.66/1,290,653.91 = 505,536.54/x
  3. Step 3: Cross multiply
    935,256.66x = 1,290,653.91 × 505,536.54
  4. Step 4: Simplify right side
    935,256.66x = 652,472,711,998.87
  5. Step 5: Solve for x
    x = 652,472,711,998.87/935,256.66
  6. Step 6: Final answer
    x = 697,640.27

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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.