Home / 1,690,555.95-2,333,217.60-1,070,418.76

Finding the Fourth Proportional to 1,690,555.95, 2,333,217.60 and 1,070,418.76

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Solution

The fourth proportional to 1,690,555.95, 2,333,217.60 and 1,070,418.76 is: 1,477,336.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,555.95 : 2,333,217.60 = 1,070,418.76 : x
  2. Step 2: Convert to fraction form
    1,690,555.95/2,333,217.60 = 1,070,418.76/x
  3. Step 3: Cross multiply
    1,690,555.95x = 2,333,217.60 × 1,070,418.76
  4. Step 4: Simplify right side
    1,690,555.95x = 2,497,519,884,369.13
  5. Step 5: Solve for x
    x = 2,497,519,884,369.13/1,690,555.95
  6. Step 6: Final answer
    x = 1,477,336.43

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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.