Home / 531,236.98-733,085.64-289,514.35

Finding the Fourth Proportional to 531,236.98, 733,085.64 and 289,514.35

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Solution

The fourth proportional to 531,236.98, 733,085.64 and 289,514.35 is: 399,518.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,236.98 : 733,085.64 = 289,514.35 : x
  2. Step 2: Convert to fraction form
    531,236.98/733,085.64 = 289,514.35/x
  3. Step 3: Cross multiply
    531,236.98x = 733,085.64 × 289,514.35
  4. Step 4: Simplify right side
    531,236.98x = 212,238,813,475.29
  5. Step 5: Solve for x
    x = 212,238,813,475.29/531,236.98
  6. Step 6: Final answer
    x = 399,518.15

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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.