Home / 584,177.81-806,165.03-315,905.81

Finding the Fourth Proportional to 584,177.81, 806,165.03 and 315,905.81

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Solution

The fourth proportional to 584,177.81, 806,165.03 and 315,905.81 is: 435,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,177.81 : 806,165.03 = 315,905.81 : x
  2. Step 2: Convert to fraction form
    584,177.81/806,165.03 = 315,905.81/x
  3. Step 3: Cross multiply
    584,177.81x = 806,165.03 × 315,905.81
  4. Step 4: Simplify right side
    584,177.81x = 254,672,213,554.76
  5. Step 5: Solve for x
    x = 254,672,213,554.76/584,177.81
  6. Step 6: Final answer
    x = 435,949.83

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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.