Home / 1,421,750.37-2,132,625.53-475,121.07

Finding the Fourth Proportional to 1,421,750.37, 2,132,625.53 and 475,121.07

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Solution

The fourth proportional to 1,421,750.37, 2,132,625.53 and 475,121.07 is: 712,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,750.37 : 2,132,625.53 = 475,121.07 : x
  2. Step 2: Convert to fraction form
    1,421,750.37/2,132,625.53 = 475,121.07/x
  3. Step 3: Cross multiply
    1,421,750.37x = 2,132,625.53 × 475,121.07
  4. Step 4: Simplify right side
    1,421,750.37x = 1,013,255,323,722.92
  5. Step 5: Solve for x
    x = 1,013,255,323,722.92/1,421,750.37
  6. Step 6: Final answer
    x = 712,681.60

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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.