Home / 531,298.64-733,187.43-289,581.23

Finding the Fourth Proportional to 531,298.64, 733,187.43 and 289,581.23

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Solution

The fourth proportional to 531,298.64, 733,187.43 and 289,581.23 is: 399,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,298.64 : 733,187.43 = 289,581.23 : x
  2. Step 2: Convert to fraction form
    531,298.64/733,187.43 = 289,581.23/x
  3. Step 3: Cross multiply
    531,298.64x = 733,187.43 × 289,581.23
  4. Step 4: Simplify right side
    531,298.64x = 212,317,314,134.00
  5. Step 5: Solve for x
    x = 212,317,314,134.00/531,298.64
  6. Step 6: Final answer
    x = 399,619.54

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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.