Home / 923,534.42-1,274,465.04-515,642.51

Finding the Fourth Proportional to 923,534.42, 1,274,465.04 and 515,642.51

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Solution

The fourth proportional to 923,534.42, 1,274,465.04 and 515,642.51 is: 711,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,534.42 : 1,274,465.04 = 515,642.51 : x
  2. Step 2: Convert to fraction form
    923,534.42/1,274,465.04 = 515,642.51/x
  3. Step 3: Cross multiply
    923,534.42x = 1,274,465.04 × 515,642.51
  4. Step 4: Simplify right side
    923,534.42x = 657,168,345,760.53
  5. Step 5: Solve for x
    x = 657,168,345,760.53/923,534.42
  6. Step 6: Final answer
    x = 711,579.70

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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.