Home / 850,712.57-1,174,066.08-635,478.96

Finding the Fourth Proportional to 850,712.57, 1,174,066.08 and 635,478.96

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Solution

The fourth proportional to 850,712.57, 1,174,066.08 and 635,478.96 is: 877,022.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,712.57 : 1,174,066.08 = 635,478.96 : x
  2. Step 2: Convert to fraction form
    850,712.57/1,174,066.08 = 635,478.96/x
  3. Step 3: Cross multiply
    850,712.57x = 1,174,066.08 × 635,478.96
  4. Step 4: Simplify right side
    850,712.57x = 746,094,293,509.38
  5. Step 5: Solve for x
    x = 746,094,293,509.38/850,712.57
  6. Step 6: Final answer
    x = 877,022.77

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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.