Home / 856,838.91-1,182,437.70-474,890.29

Finding the Fourth Proportional to 856,838.91, 1,182,437.70 and 474,890.29

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Solution

The fourth proportional to 856,838.91, 1,182,437.70 and 474,890.29 is: 655,348.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,838.91 : 1,182,437.70 = 474,890.29 : x
  2. Step 2: Convert to fraction form
    856,838.91/1,182,437.70 = 474,890.29/x
  3. Step 3: Cross multiply
    856,838.91x = 1,182,437.70 × 474,890.29
  4. Step 4: Simplify right side
    856,838.91x = 561,528,184,174.21
  5. Step 5: Solve for x
    x = 561,528,184,174.21/856,838.91
  6. Step 6: Final answer
    x = 655,348.61

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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.