Home / 852,154.48-1,175,997.77-470,205.86

Finding the Fourth Proportional to 852,154.48, 1,175,997.77 and 470,205.86

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Solution

The fourth proportional to 852,154.48, 1,175,997.77 and 470,205.86 is: 648,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,154.48 : 1,175,997.77 = 470,205.86 : x
  2. Step 2: Convert to fraction form
    852,154.48/1,175,997.77 = 470,205.86/x
  3. Step 3: Cross multiply
    852,154.48x = 1,175,997.77 × 470,205.86
  4. Step 4: Simplify right side
    852,154.48x = 552,961,042,800.93
  5. Step 5: Solve for x
    x = 552,961,042,800.93/852,154.48
  6. Step 6: Final answer
    x = 648,897.65

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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.