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Finding the Fourth Proportional to 793,705.92, 1,095,740.64 and 612,019.68

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Solution

The fourth proportional to 793,705.92, 1,095,740.64 and 612,019.68 is: 844,916.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,705.92 : 1,095,740.64 = 612,019.68 : x
  2. Step 2: Convert to fraction form
    793,705.92/1,095,740.64 = 612,019.68/x
  3. Step 3: Cross multiply
    793,705.92x = 1,095,740.64 × 612,019.68
  4. Step 4: Simplify right side
    793,705.92x = 670,614,835,855.80
  5. Step 5: Solve for x
    x = 670,614,835,855.80/793,705.92
  6. Step 6: Final answer
    x = 844,916.01

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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.