Home / 1,620,400.79-2,236,176.55-895,265.20

Finding the Fourth Proportional to 1,620,400.79, 2,236,176.55 and 895,265.20

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Solution

The fourth proportional to 1,620,400.79, 2,236,176.55 and 895,265.20 is: 1,235,478.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,400.79 : 2,236,176.55 = 895,265.20 : x
  2. Step 2: Convert to fraction form
    1,620,400.79/2,236,176.55 = 895,265.20/x
  3. Step 3: Cross multiply
    1,620,400.79x = 2,236,176.55 × 895,265.20
  4. Step 4: Simplify right side
    1,620,400.79x = 2,001,971,046,271.06
  5. Step 5: Solve for x
    x = 2,001,971,046,271.06/1,620,400.79
  6. Step 6: Final answer
    x = 1,235,478.94

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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.