Home / 531,562.10-733,528.70-289,842.72

Finding the Fourth Proportional to 531,562.10, 733,528.70 and 289,842.72

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Solution

The fourth proportional to 531,562.10, 733,528.70 and 289,842.72 is: 399,968.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,562.10 : 733,528.70 = 289,842.72 : x
  2. Step 2: Convert to fraction form
    531,562.10/733,528.70 = 289,842.72/x
  3. Step 3: Cross multiply
    531,562.10x = 733,528.70 × 289,842.72
  4. Step 4: Simplify right side
    531,562.10x = 212,607,953,606.06
  5. Step 5: Solve for x
    x = 212,607,953,606.06/531,562.10
  6. Step 6: Final answer
    x = 399,968.23

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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.