Home / 435,945.70-601,809.44-290,996.40

Finding the Fourth Proportional to 435,945.70, 601,809.44 and 290,996.40

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Solution

The fourth proportional to 435,945.70, 601,809.44 and 290,996.40 is: 401,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,945.70 : 601,809.44 = 290,996.40 : x
  2. Step 2: Convert to fraction form
    435,945.70/601,809.44 = 290,996.40/x
  3. Step 3: Cross multiply
    435,945.70x = 601,809.44 × 290,996.40
  4. Step 4: Simplify right side
    435,945.70x = 175,124,380,526.02
  5. Step 5: Solve for x
    x = 175,124,380,526.02/435,945.70
  6. Step 6: Final answer
    x = 401,711.45

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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.