Home / 739,661.34-1,109,492.01-313,264.38

Finding the Fourth Proportional to 739,661.34, 1,109,492.01 and 313,264.38

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Solution

The fourth proportional to 739,661.34, 1,109,492.01 and 313,264.38 is: 469,896.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,661.34 : 1,109,492.01 = 313,264.38 : x
  2. Step 2: Convert to fraction form
    739,661.34/1,109,492.01 = 313,264.38/x
  3. Step 3: Cross multiply
    739,661.34x = 1,109,492.01 × 313,264.38
  4. Step 4: Simplify right side
    739,661.34x = 347,564,326,627.60
  5. Step 5: Solve for x
    x = 347,564,326,627.60/739,661.34
  6. Step 6: Final answer
    x = 469,896.57

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.