Home / 936,168.86-1,291,910.18-506,448.88

Finding the Fourth Proportional to 936,168.86, 1,291,910.18 and 506,448.88

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Solution

The fourth proportional to 936,168.86, 1,291,910.18 and 506,448.88 is: 698,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,168.86 : 1,291,910.18 = 506,448.88 : x
  2. Step 2: Convert to fraction form
    936,168.86/1,291,910.18 = 506,448.88/x
  3. Step 3: Cross multiply
    936,168.86x = 1,291,910.18 × 506,448.88
  4. Step 4: Simplify right side
    936,168.86x = 654,286,457,959.58
  5. Step 5: Solve for x
    x = 654,286,457,959.58/936,168.86
  6. Step 6: Final answer
    x = 698,897.91

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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.