Home / 734,070.93-1,100,750.39-430,564.25

Finding the Fourth Proportional to 734,070.93, 1,100,750.39 and 430,564.25

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Solution

The fourth proportional to 734,070.93, 1,100,750.39 and 430,564.25 is: 645,637.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,070.93 : 1,100,750.39 = 430,564.25 : x
  2. Step 2: Convert to fraction form
    734,070.93/1,100,750.39 = 430,564.25/x
  3. Step 3: Cross multiply
    734,070.93x = 1,100,750.39 × 430,564.25
  4. Step 4: Simplify right side
    734,070.93x = 473,943,766,706.61
  5. Step 5: Solve for x
    x = 473,943,766,706.61/734,070.93
  6. Step 6: Final answer
    x = 645,637.56

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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.