Home / 1,536,555.34-2,120,646.99-857,632.78

Finding the Fourth Proportional to 1,536,555.34, 2,120,646.99 and 857,632.78

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Solution

The fourth proportional to 1,536,555.34, 2,120,646.99 and 857,632.78 is: 1,183,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,555.34 : 2,120,646.99 = 857,632.78 : x
  2. Step 2: Convert to fraction form
    1,536,555.34/2,120,646.99 = 857,632.78/x
  3. Step 3: Cross multiply
    1,536,555.34x = 2,120,646.99 × 857,632.78
  4. Step 4: Simplify right side
    1,536,555.34x = 1,818,736,373,432.33
  5. Step 5: Solve for x
    x = 1,818,736,373,432.33/1,536,555.34
  6. Step 6: Final answer
    x = 1,183,645.21

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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.