Home / 839,002.51-1,157,825.55-457,032.07

Finding the Fourth Proportional to 839,002.51, 1,157,825.55 and 457,032.07

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Solution

The fourth proportional to 839,002.51, 1,157,825.55 and 457,032.07 is: 630,705.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,002.51 : 1,157,825.55 = 457,032.07 : x
  2. Step 2: Convert to fraction form
    839,002.51/1,157,825.55 = 457,032.07/x
  3. Step 3: Cross multiply
    839,002.51x = 1,157,825.55 × 457,032.07
  4. Step 4: Simplify right side
    839,002.51x = 529,163,407,815.39
  5. Step 5: Solve for x
    x = 529,163,407,815.39/839,002.51
  6. Step 6: Final answer
    x = 630,705.39

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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.