Home / 859,666.83-1,185,972.31-536,816.42

Finding the Fourth Proportional to 859,666.83, 1,185,972.31 and 536,816.42

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Solution

The fourth proportional to 859,666.83, 1,185,972.31 and 536,816.42 is: 740,576.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,666.83 : 1,185,972.31 = 536,816.42 : x
  2. Step 2: Convert to fraction form
    859,666.83/1,185,972.31 = 536,816.42/x
  3. Step 3: Cross multiply
    859,666.83x = 1,185,972.31 × 536,816.42
  4. Step 4: Simplify right side
    859,666.83x = 636,649,413,309.28
  5. Step 5: Solve for x
    x = 636,649,413,309.28/859,666.83
  6. Step 6: Final answer
    x = 740,576.92

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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.