Home / 1,621,409.40-2,237,545.50-886,366.92

Finding the Fourth Proportional to 1,621,409.40, 2,237,545.50 and 886,366.92

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Solution

The fourth proportional to 1,621,409.40, 2,237,545.50 and 886,366.92 is: 1,223,186.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,409.40 : 2,237,545.50 = 886,366.92 : x
  2. Step 2: Convert to fraction form
    1,621,409.40/2,237,545.50 = 886,366.92/x
  3. Step 3: Cross multiply
    1,621,409.40x = 2,237,545.50 × 886,366.92
  4. Step 4: Simplify right side
    1,621,409.40x = 1,983,286,313,194.86
  5. Step 5: Solve for x
    x = 1,983,286,313,194.86/1,621,409.40
  6. Step 6: Final answer
    x = 1,223,186.64

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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.