Home / 531,216.08-733,056.81-289,493.46

Finding the Fourth Proportional to 531,216.08, 733,056.81 and 289,493.46

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Solution

The fourth proportional to 531,216.08, 733,056.81 and 289,493.46 is: 399,489.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,216.08 : 733,056.81 = 289,493.46 : x
  2. Step 2: Convert to fraction form
    531,216.08/733,056.81 = 289,493.46/x
  3. Step 3: Cross multiply
    531,216.08x = 733,056.81 × 289,493.46
  4. Step 4: Simplify right side
    531,216.08x = 212,215,152,303.46
  5. Step 5: Solve for x
    x = 212,215,152,303.46/531,216.08
  6. Step 6: Final answer
    x = 399,489.32

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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.