Home / 531,453.36-733,610.40-389,342.16

Finding the Fourth Proportional to 531,453.36, 733,610.40 and 389,342.16

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Solution

The fourth proportional to 531,453.36, 733,610.40 and 389,342.16 is: 537,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,453.36 : 733,610.40 = 389,342.16 : x
  2. Step 2: Convert to fraction form
    531,453.36/733,610.40 = 389,342.16/x
  3. Step 3: Cross multiply
    531,453.36x = 733,610.40 × 389,342.16
  4. Step 4: Simplify right side
    531,453.36x = 285,625,457,734.46
  5. Step 5: Solve for x
    x = 285,625,457,734.46/531,453.36
  6. Step 6: Final answer
    x = 537,442.19

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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.