Home / 856,802.89-1,182,367.87-474,821.47

Finding the Fourth Proportional to 856,802.89, 1,182,367.87 and 474,821.47

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Solution

The fourth proportional to 856,802.89, 1,182,367.87 and 474,821.47 is: 655,242.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,802.89 : 1,182,367.87 = 474,821.47 : x
  2. Step 2: Convert to fraction form
    856,802.89/1,182,367.87 = 474,821.47/x
  3. Step 3: Cross multiply
    856,802.89x = 1,182,367.87 × 474,821.47
  4. Step 4: Simplify right side
    856,802.89x = 561,413,653,663.62
  5. Step 5: Solve for x
    x = 561,413,653,663.62/856,802.89
  6. Step 6: Final answer
    x = 655,242.48

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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.