Home / 1,151,508.87-1,589,085-642,244.05

Finding the Fourth Proportional to 1,151,508.87, 1,589,085 and 642,244.05

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Solution

The fourth proportional to 1,151,508.87, 1,589,085 and 642,244.05 is: 886,298.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,508.87 : 1,589,085 = 642,244.05 : x
  2. Step 2: Convert to fraction form
    1,151,508.87/1,589,085 = 642,244.05/x
  3. Step 3: Cross multiply
    1,151,508.87x = 1,589,085 × 642,244.05
  4. Step 4: Simplify right side
    1,151,508.87x = 1,020,580,386,194.25
  5. Step 5: Solve for x
    x = 1,020,580,386,194.25/1,151,508.87
  6. Step 6: Final answer
    x = 886,298.33

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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.