Home / 711,070.70-1,066,595.34-231,320.36

Finding the Fourth Proportional to 711,070.70, 1,066,595.34 and 231,320.36

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Solution

The fourth proportional to 711,070.70, 1,066,595.34 and 231,320.36 is: 346,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,070.70 : 1,066,595.34 = 231,320.36 : x
  2. Step 2: Convert to fraction form
    711,070.70/1,066,595.34 = 231,320.36/x
  3. Step 3: Cross multiply
    711,070.70x = 1,066,595.34 × 231,320.36
  4. Step 4: Simplify right side
    711,070.70x = 246,725,215,557.46
  5. Step 5: Solve for x
    x = 246,725,215,557.46/711,070.70
  6. Step 6: Final answer
    x = 346,977.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.