Home / 412,545.93-569,303.13-228,783.43

Finding the Fourth Proportional to 412,545.93, 569,303.13 and 228,783.43

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Solution

The fourth proportional to 412,545.93, 569,303.13 and 228,783.43 is: 315,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,545.93 : 569,303.13 = 228,783.43 : x
  2. Step 2: Convert to fraction form
    412,545.93/569,303.13 = 228,783.43/x
  3. Step 3: Cross multiply
    412,545.93x = 569,303.13 × 228,783.43
  4. Step 4: Simplify right side
    412,545.93x = 130,247,122,791.14
  5. Step 5: Solve for x
    x = 130,247,122,791.14/412,545.93
  6. Step 6: Final answer
    x = 315,715.45

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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.