Home / 936,079.58-1,291,788.94-506,358.72

Finding the Fourth Proportional to 936,079.58, 1,291,788.94 and 506,358.72

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Solution

The fourth proportional to 936,079.58, 1,291,788.94 and 506,358.72 is: 698,774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,079.58 : 1,291,788.94 = 506,358.72 : x
  2. Step 2: Convert to fraction form
    936,079.58/1,291,788.94 = 506,358.72/x
  3. Step 3: Cross multiply
    936,079.58x = 1,291,788.94 × 506,358.72
  4. Step 4: Simplify right side
    936,079.58x = 654,108,594,168.56
  5. Step 5: Solve for x
    x = 654,108,594,168.56/936,079.58
  6. Step 6: Final answer
    x = 698,774.56

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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.