Home / 949,087.32-1,309,740.54-519,367.47

Finding the Fourth Proportional to 949,087.32, 1,309,740.54 and 519,367.47

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Solution

The fourth proportional to 949,087.32, 1,309,740.54 and 519,367.47 is: 716,727.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,087.32 : 1,309,740.54 = 519,367.47 : x
  2. Step 2: Convert to fraction form
    949,087.32/1,309,740.54 = 519,367.47/x
  3. Step 3: Cross multiply
    949,087.32x = 1,309,740.54 × 519,367.47
  4. Step 4: Simplify right side
    949,087.32x = 680,236,630,616.23
  5. Step 5: Solve for x
    x = 680,236,630,616.23/949,087.32
  6. Step 6: Final answer
    x = 716,727.13

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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.