Home / 839,003.76-1,157,827.28-457,033.32

Finding the Fourth Proportional to 839,003.76, 1,157,827.28 and 457,033.32

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Solution

The fourth proportional to 839,003.76, 1,157,827.28 and 457,033.32 is: 630,707.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,003.76 : 1,157,827.28 = 457,033.32 : x
  2. Step 2: Convert to fraction form
    839,003.76/1,157,827.28 = 457,033.32/x
  3. Step 3: Cross multiply
    839,003.76x = 1,157,827.28 × 457,033.32
  4. Step 4: Simplify right side
    839,003.76x = 529,165,643,479.80
  5. Step 5: Solve for x
    x = 529,165,643,479.80/839,003.76
  6. Step 6: Final answer
    x = 630,707.12

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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.