Home / 602,500.24-831,458.82-330,563.20

Finding the Fourth Proportional to 602,500.24, 831,458.82 and 330,563.20

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Solution

The fourth proportional to 602,500.24, 831,458.82 and 330,563.20 is: 456,181.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,500.24 : 831,458.82 = 330,563.20 : x
  2. Step 2: Convert to fraction form
    602,500.24/831,458.82 = 330,563.20/x
  3. Step 3: Cross multiply
    602,500.24x = 831,458.82 × 330,563.20
  4. Step 4: Simplify right side
    602,500.24x = 274,849,688,207.42
  5. Step 5: Solve for x
    x = 274,849,688,207.42/602,500.24
  6. Step 6: Final answer
    x = 456,181.87

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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.