Home / 945,706.19-1,418,545.51-439,984.31

Finding the Fourth Proportional to 945,706.19, 1,418,545.51 and 439,984.31

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Solution

The fourth proportional to 945,706.19, 1,418,545.51 and 439,984.31 is: 659,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,706.19 : 1,418,545.51 = 439,984.31 : x
  2. Step 2: Convert to fraction form
    945,706.19/1,418,545.51 = 439,984.31/x
  3. Step 3: Cross multiply
    945,706.19x = 1,418,545.51 × 439,984.31
  4. Step 4: Simplify right side
    945,706.19x = 624,137,759,228.26
  5. Step 5: Solve for x
    x = 624,137,759,228.26/945,706.19
  6. Step 6: Final answer
    x = 659,970.05

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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.