Home / 923,746.28-1,274,697.15-515,816.24

Finding the Fourth Proportional to 923,746.28, 1,274,697.15 and 515,816.24

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Solution

The fourth proportional to 923,746.28, 1,274,697.15 and 515,816.24 is: 711,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,746.28 : 1,274,697.15 = 515,816.24 : x
  2. Step 2: Convert to fraction form
    923,746.28/1,274,697.15 = 515,816.24/x
  3. Step 3: Cross multiply
    923,746.28x = 1,274,697.15 × 515,816.24
  4. Step 4: Simplify right side
    923,746.28x = 657,509,491,051.72
  5. Step 5: Solve for x
    x = 657,509,491,051.72/923,746.28
  6. Step 6: Final answer
    x = 711,785.81

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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.