Home / 923,143.91-1,274,002.77-515,325.35

Finding the Fourth Proportional to 923,143.91, 1,274,002.77 and 515,325.35

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Solution

The fourth proportional to 923,143.91, 1,274,002.77 and 515,325.35 is: 711,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,143.91 : 1,274,002.77 = 515,325.35 : x
  2. Step 2: Convert to fraction form
    923,143.91/1,274,002.77 = 515,325.35/x
  3. Step 3: Cross multiply
    923,143.91x = 1,274,002.77 × 515,325.35
  4. Step 4: Simplify right side
    923,143.91x = 656,525,916,981.21
  5. Step 5: Solve for x
    x = 656,525,916,981.21/923,143.91
  6. Step 6: Final answer
    x = 711,184.80

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Double scale
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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.