Home / 345,667.23-515,560.14-339,685.83

Finding the Fourth Proportional to 345,667.23, 515,560.14 and 339,685.83

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Solution

The fourth proportional to 345,667.23, 515,560.14 and 339,685.83 is: 506,638.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,667.23 : 515,560.14 = 339,685.83 : x
  2. Step 2: Convert to fraction form
    345,667.23/515,560.14 = 339,685.83/x
  3. Step 3: Cross multiply
    345,667.23x = 515,560.14 × 339,685.83
  4. Step 4: Simplify right side
    345,667.23x = 175,128,474,070.82
  5. Step 5: Solve for x
    x = 175,128,474,070.82/345,667.23
  6. Step 6: Final answer
    x = 506,638.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.