Home / 783,619.92-1,081,641.60-444,314.16

Finding the Fourth Proportional to 783,619.92, 1,081,641.60 and 444,314.16

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Solution

The fourth proportional to 783,619.92, 1,081,641.60 and 444,314.16 is: 613,293.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,619.92 : 1,081,641.60 = 444,314.16 : x
  2. Step 2: Convert to fraction form
    783,619.92/1,081,641.60 = 444,314.16/x
  3. Step 3: Cross multiply
    783,619.92x = 1,081,641.60 × 444,314.16
  4. Step 4: Simplify right side
    783,619.92x = 480,588,678,925.06
  5. Step 5: Solve for x
    x = 480,588,678,925.06/783,619.92
  6. Step 6: Final answer
    x = 613,293.09

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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.