Home / 1,621,262.39-2,237,350.88-886,217.67

Finding the Fourth Proportional to 1,621,262.39, 2,237,350.88 and 886,217.67

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Solution

The fourth proportional to 1,621,262.39, 2,237,350.88 and 886,217.67 is: 1,222,985.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,262.39 : 2,237,350.88 = 886,217.67 : x
  2. Step 2: Convert to fraction form
    1,621,262.39/2,237,350.88 = 886,217.67/x
  3. Step 3: Cross multiply
    1,621,262.39x = 2,237,350.88 × 886,217.67
  4. Step 4: Simplify right side
    1,621,262.39x = 1,982,779,886,061.59
  5. Step 5: Solve for x
    x = 1,982,779,886,061.59/1,621,262.39
  6. Step 6: Final answer
    x = 1,222,985.19

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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.