Home / 531,743.59-733,814.90-290,026.16

Finding the Fourth Proportional to 531,743.59, 733,814.90 and 290,026.16

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Solution

The fourth proportional to 531,743.59, 733,814.90 and 290,026.16 is: 400,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,743.59 : 733,814.90 = 290,026.16 : x
  2. Step 2: Convert to fraction form
    531,743.59/733,814.90 = 290,026.16/x
  3. Step 3: Cross multiply
    531,743.59x = 733,814.90 × 290,026.16
  4. Step 4: Simplify right side
    531,743.59x = 212,825,516,317.98
  5. Step 5: Solve for x
    x = 212,825,516,317.98/531,743.59
  6. Step 6: Final answer
    x = 400,240.87

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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.