Home / 579,585.38-799,555.66-409,913.06

Finding the Fourth Proportional to 579,585.38, 799,555.66 and 409,913.06

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Solution

The fourth proportional to 579,585.38, 799,555.66 and 409,913.06 is: 565,487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,585.38 : 799,555.66 = 409,913.06 : x
  2. Step 2: Convert to fraction form
    579,585.38/799,555.66 = 409,913.06/x
  3. Step 3: Cross multiply
    579,585.38x = 799,555.66 × 409,913.06
  4. Step 4: Simplify right side
    579,585.38x = 327,748,302,208.36
  5. Step 5: Solve for x
    x = 327,748,302,208.36/579,585.38
  6. Step 6: Final answer
    x = 565,487.53

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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.