Home / 428,927.04-591,938.76-237,940.68

Finding the Fourth Proportional to 428,927.04, 591,938.76 and 237,940.68

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Solution

The fourth proportional to 428,927.04, 591,938.76 and 237,940.68 is: 328,368.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,927.04 : 591,938.76 = 237,940.68 : x
  2. Step 2: Convert to fraction form
    428,927.04/591,938.76 = 237,940.68/x
  3. Step 3: Cross multiply
    428,927.04x = 591,938.76 × 237,940.68
  4. Step 4: Simplify right side
    428,927.04x = 140,846,311,072.76
  5. Step 5: Solve for x
    x = 140,846,311,072.76/428,927.04
  6. Step 6: Final answer
    x = 328,368.93

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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.