Home / 912,358.58-1,259,032.56-504,450.06

Finding the Fourth Proportional to 912,358.58, 1,259,032.56 and 504,450.06

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Solution

The fourth proportional to 912,358.58, 1,259,032.56 and 504,450.06 is: 696,128.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,358.58 : 1,259,032.56 = 504,450.06 : x
  2. Step 2: Convert to fraction form
    912,358.58/1,259,032.56 = 504,450.06/x
  3. Step 3: Cross multiply
    912,358.58x = 1,259,032.56 × 504,450.06
  4. Step 4: Simplify right side
    912,358.58x = 635,119,050,433.95
  5. Step 5: Solve for x
    x = 635,119,050,433.95/912,358.58
  6. Step 6: Final answer
    x = 696,128.77

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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.