Home / 783,205.94-1,080,804.66-434,344.32

Finding the Fourth Proportional to 783,205.94, 1,080,804.66 and 434,344.32

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Solution

The fourth proportional to 783,205.94, 1,080,804.66 and 434,344.32 is: 599,384.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,205.94 : 1,080,804.66 = 434,344.32 : x
  2. Step 2: Convert to fraction form
    783,205.94/1,080,804.66 = 434,344.32/x
  3. Step 3: Cross multiply
    783,205.94x = 1,080,804.66 × 434,344.32
  4. Step 4: Simplify right side
    783,205.94x = 469,441,365,100.53
  5. Step 5: Solve for x
    x = 469,441,365,100.53/783,205.94
  6. Step 6: Final answer
    x = 599,384.33

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Double scale
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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.