Home / 839,157.03-1,158,059.23-457,208.42

Finding the Fourth Proportional to 839,157.03, 1,158,059.23 and 457,208.42

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Solution

The fourth proportional to 839,157.03, 1,158,059.23 and 457,208.42 is: 630,959.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,157.03 : 1,158,059.23 = 457,208.42 : x
  2. Step 2: Convert to fraction form
    839,157.03/1,158,059.23 = 457,208.42/x
  3. Step 3: Cross multiply
    839,157.03x = 1,158,059.23 × 457,208.42
  4. Step 4: Simplify right side
    839,157.03x = 529,474,423,881.40
  5. Step 5: Solve for x
    x = 529,474,423,881.40/839,157.03
  6. Step 6: Final answer
    x = 630,959.89

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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.