Home / 859,653.79-1,185,828.23-536,803.38

Finding the Fourth Proportional to 859,653.79, 1,185,828.23 and 536,803.38

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Solution

The fourth proportional to 859,653.79, 1,185,828.23 and 536,803.38 is: 740,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,653.79 : 1,185,828.23 = 536,803.38 : x
  2. Step 2: Convert to fraction form
    859,653.79/1,185,828.23 = 536,803.38/x
  3. Step 3: Cross multiply
    859,653.79x = 1,185,828.23 × 536,803.38
  4. Step 4: Simplify right side
    859,653.79x = 636,556,601,963.42
  5. Step 5: Solve for x
    x = 636,556,601,963.42/859,653.79
  6. Step 6: Final answer
    x = 740,480.19

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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.