Home / 1,081,503.23-1,622,258.40-407,403.62

Finding the Fourth Proportional to 1,081,503.23, 1,622,258.40 and 407,403.62

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Solution

The fourth proportional to 1,081,503.23, 1,622,258.40 and 407,403.62 is: 611,106.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,503.23 : 1,622,258.40 = 407,403.62 : x
  2. Step 2: Convert to fraction form
    1,081,503.23/1,622,258.40 = 407,403.62/x
  3. Step 3: Cross multiply
    1,081,503.23x = 1,622,258.40 × 407,403.62
  4. Step 4: Simplify right side
    1,081,503.23x = 660,913,947,263.29
  5. Step 5: Solve for x
    x = 660,913,947,263.29/1,081,503.23
  6. Step 6: Final answer
    x = 611,106.77

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1.5x scale

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.