Home / 856,989.99-1,182,644.15-469,804.73

Finding the Fourth Proportional to 856,989.99, 1,182,644.15 and 469,804.73

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Solution

The fourth proportional to 856,989.99, 1,182,644.15 and 469,804.73 is: 648,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,989.99 : 1,182,644.15 = 469,804.73 : x
  2. Step 2: Convert to fraction form
    856,989.99/1,182,644.15 = 469,804.73/x
  3. Step 3: Cross multiply
    856,989.99x = 1,182,644.15 × 469,804.73
  4. Step 4: Simplify right side
    856,989.99x = 555,611,807,314.59
  5. Step 5: Solve for x
    x = 555,611,807,314.59/856,989.99
  6. Step 6: Final answer
    x = 648,329.40

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Double scale
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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.