Home / 690,577.06-952,935.69-384,630.34

Finding the Fourth Proportional to 690,577.06, 952,935.69 and 384,630.34

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Solution

The fourth proportional to 690,577.06, 952,935.69 and 384,630.34 is: 530,756.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,577.06 : 952,935.69 = 384,630.34 : x
  2. Step 2: Convert to fraction form
    690,577.06/952,935.69 = 384,630.34/x
  3. Step 3: Cross multiply
    690,577.06x = 952,935.69 × 384,630.34
  4. Step 4: Simplify right side
    690,577.06x = 366,527,978,442.84
  5. Step 5: Solve for x
    x = 366,527,978,442.84/690,577.06
  6. Step 6: Final answer
    x = 530,756.09

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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.