Home / 595,421.33-821,685.38-323,489.16

Finding the Fourth Proportional to 595,421.33, 821,685.38 and 323,489.16

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Solution

The fourth proportional to 595,421.33, 821,685.38 and 323,489.16 is: 446,417.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,421.33 : 821,685.38 = 323,489.16 : x
  2. Step 2: Convert to fraction form
    595,421.33/821,685.38 = 323,489.16/x
  3. Step 3: Cross multiply
    595,421.33x = 821,685.38 × 323,489.16
  4. Step 4: Simplify right side
    595,421.33x = 265,806,311,743.04
  5. Step 5: Solve for x
    x = 265,806,311,743.04/595,421.33
  6. Step 6: Final answer
    x = 446,417.18

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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.