Home / 1,621,765.40-2,238,082.98-896,659.94

Finding the Fourth Proportional to 1,621,765.40, 2,238,082.98 and 896,659.94

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Solution

The fourth proportional to 1,621,765.40, 2,238,082.98 and 896,659.94 is: 1,237,416.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,765.40 : 2,238,082.98 = 896,659.94 : x
  2. Step 2: Convert to fraction form
    1,621,765.40/2,238,082.98 = 896,659.94/x
  3. Step 3: Cross multiply
    1,621,765.40x = 2,238,082.98 × 896,659.94
  4. Step 4: Simplify right side
    1,621,765.40x = 2,006,799,334,888.11
  5. Step 5: Solve for x
    x = 2,006,799,334,888.11/1,621,765.40
  6. Step 6: Final answer
    x = 1,237,416.54

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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.