Home / 565,985.08-781,116.64-324,299.72

Finding the Fourth Proportional to 565,985.08, 781,116.64 and 324,299.72

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Solution

The fourth proportional to 565,985.08, 781,116.64 and 324,299.72 is: 447,566.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,985.08 : 781,116.64 = 324,299.72 : x
  2. Step 2: Convert to fraction form
    565,985.08/781,116.64 = 324,299.72/x
  3. Step 3: Cross multiply
    565,985.08x = 781,116.64 × 324,299.72
  4. Step 4: Simplify right side
    565,985.08x = 253,315,907,639.34
  5. Step 5: Solve for x
    x = 253,315,907,639.34/565,985.08
  6. Step 6: Final answer
    x = 447,566.41

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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.