Home / 923,557.42-1,274,497.16-515,666.20

Finding the Fourth Proportional to 923,557.42, 1,274,497.16 and 515,666.20

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Solution

The fourth proportional to 923,557.42, 1,274,497.16 and 515,666.20 is: 711,612.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,557.42 : 1,274,497.16 = 515,666.20 : x
  2. Step 2: Convert to fraction form
    923,557.42/1,274,497.16 = 515,666.20/x
  3. Step 3: Cross multiply
    923,557.42x = 1,274,497.16 × 515,666.20
  4. Step 4: Simplify right side
    923,557.42x = 657,215,107,407.99
  5. Step 5: Solve for x
    x = 657,215,107,407.99/923,557.42
  6. Step 6: Final answer
    x = 711,612.61

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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.