Home / 864,068.40-1,293,834.60-609,976.80

Finding the Fourth Proportional to 864,068.40, 1,293,834.60 and 609,976.80

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Solution

The fourth proportional to 864,068.40, 1,293,834.60 and 609,976.80 is: 913,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,068.40 : 1,293,834.60 = 609,976.80 : x
  2. Step 2: Convert to fraction form
    864,068.40/1,293,834.60 = 609,976.80/x
  3. Step 3: Cross multiply
    864,068.40x = 1,293,834.60 × 609,976.80
  4. Step 4: Simplify right side
    864,068.40x = 789,209,089,037.28
  5. Step 5: Solve for x
    x = 789,209,089,037.28/864,068.40
  6. Step 6: Final answer
    x = 913,364.14

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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.