Home / 545,783.04-817,769.48-331,903.98

Finding the Fourth Proportional to 545,783.04, 817,769.48 and 331,903.98

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Solution

The fourth proportional to 545,783.04, 817,769.48 and 331,903.98 is: 497,305.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,783.04 : 817,769.48 = 331,903.98 : x
  2. Step 2: Convert to fraction form
    545,783.04/817,769.48 = 331,903.98/x
  3. Step 3: Cross multiply
    545,783.04x = 817,769.48 × 331,903.98
  4. Step 4: Simplify right side
    545,783.04x = 271,420,943,475.01
  5. Step 5: Solve for x
    x = 271,420,943,475.01/545,783.04
  6. Step 6: Final answer
    x = 497,305.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.