Home / 913,342.14-1,369,673.37-314,135.10

Finding the Fourth Proportional to 913,342.14, 1,369,673.37 and 314,135.10

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Solution

The fourth proportional to 913,342.14, 1,369,673.37 and 314,135.10 is: 471,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,342.14 : 1,369,673.37 = 314,135.10 : x
  2. Step 2: Convert to fraction form
    913,342.14/1,369,673.37 = 314,135.10/x
  3. Step 3: Cross multiply
    913,342.14x = 1,369,673.37 × 314,135.10
  4. Step 4: Simplify right side
    913,342.14x = 430,262,481,052.29
  5. Step 5: Solve for x
    x = 430,262,481,052.29/913,342.14
  6. Step 6: Final answer
    x = 471,085.77

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Double scale
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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.