Home / 783,869.20-1,081,683.49-435,028.32

Finding the Fourth Proportional to 783,869.20, 1,081,683.49 and 435,028.32

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Solution

The fourth proportional to 783,869.20, 1,081,683.49 and 435,028.32 is: 600,308.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,869.20 : 1,081,683.49 = 435,028.32 : x
  2. Step 2: Convert to fraction form
    783,869.20/1,081,683.49 = 435,028.32/x
  3. Step 3: Cross multiply
    783,869.20x = 1,081,683.49 × 435,028.32
  4. Step 4: Simplify right side
    783,869.20x = 470,562,955,633.15
  5. Step 5: Solve for x
    x = 470,562,955,633.15/783,869.20
  6. Step 6: Final answer
    x = 600,308.01

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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.