Home / 905,680.57-1,358,437.56-306,573.25

Finding the Fourth Proportional to 905,680.57, 1,358,437.56 and 306,573.25

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Solution

The fourth proportional to 905,680.57, 1,358,437.56 and 306,573.25 is: 459,831.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,680.57 : 1,358,437.56 = 306,573.25 : x
  2. Step 2: Convert to fraction form
    905,680.57/1,358,437.56 = 306,573.25/x
  3. Step 3: Cross multiply
    905,680.57x = 1,358,437.56 × 306,573.25
  4. Step 4: Simplify right side
    905,680.57x = 416,460,617,691.27
  5. Step 5: Solve for x
    x = 416,460,617,691.27/905,680.57
  6. Step 6: Final answer
    x = 459,831.68

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Double scale
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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.