Home / 586,535.38-809,418.93-331,881.46

Finding the Fourth Proportional to 586,535.38, 809,418.93 and 331,881.46

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Solution

The fourth proportional to 586,535.38, 809,418.93 and 331,881.46 is: 457,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,535.38 : 809,418.93 = 331,881.46 : x
  2. Step 2: Convert to fraction form
    586,535.38/809,418.93 = 331,881.46/x
  3. Step 3: Cross multiply
    586,535.38x = 809,418.93 × 331,881.46
  4. Step 4: Simplify right side
    586,535.38x = 268,631,136,240.04
  5. Step 5: Solve for x
    x = 268,631,136,240.04/586,535.38
  6. Step 6: Final answer
    x = 457,996.47

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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.