Home / 785,466.92-1,083,958.80-436,640.16

Finding the Fourth Proportional to 785,466.92, 1,083,958.80 and 436,640.16

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Solution

The fourth proportional to 785,466.92, 1,083,958.80 and 436,640.16 is: 602,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,466.92 : 1,083,958.80 = 436,640.16 : x
  2. Step 2: Convert to fraction form
    785,466.92/1,083,958.80 = 436,640.16/x
  3. Step 3: Cross multiply
    785,466.92x = 1,083,958.80 × 436,640.16
  4. Step 4: Simplify right side
    785,466.92x = 473,299,943,865.41
  5. Step 5: Solve for x
    x = 473,299,943,865.41/785,466.92
  6. Step 6: Final answer
    x = 602,571.45

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.