Home / 839,008.42-1,157,825.70-457,035.21

Finding the Fourth Proportional to 839,008.42, 1,157,825.70 and 457,035.21

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Solution

The fourth proportional to 839,008.42, 1,157,825.70 and 457,035.21 is: 630,705.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,008.42 : 1,157,825.70 = 457,035.21 : x
  2. Step 2: Convert to fraction form
    839,008.42/1,157,825.70 = 457,035.21/x
  3. Step 3: Cross multiply
    839,008.42x = 1,157,825.70 × 457,035.21
  4. Step 4: Simplify right side
    839,008.42x = 529,167,111,942.90
  5. Step 5: Solve for x
    x = 529,167,111,942.90/839,008.42
  6. Step 6: Final answer
    x = 630,705.37

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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.