Home / 785,464.92-1,083,956.04-436,638.15

Finding the Fourth Proportional to 785,464.92, 1,083,956.04 and 436,638.15

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Solution

The fourth proportional to 785,464.92, 1,083,956.04 and 436,638.15 is: 602,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,464.92 : 1,083,956.04 = 436,638.15 : x
  2. Step 2: Convert to fraction form
    785,464.92/1,083,956.04 = 436,638.15/x
  3. Step 3: Cross multiply
    785,464.92x = 1,083,956.04 × 436,638.15
  4. Step 4: Simplify right side
    785,464.92x = 473,296,559,986.93
  5. Step 5: Solve for x
    x = 473,296,559,986.93/785,464.92
  6. Step 6: Final answer
    x = 602,568.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.