Home / 1,106,443.10-1,657,331.85-919,819.10

Finding the Fourth Proportional to 1,106,443.10, 1,657,331.85 and 919,819.10

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Solution

The fourth proportional to 1,106,443.10, 1,657,331.85 and 919,819.10 is: 1,377,789.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,443.10 : 1,657,331.85 = 919,819.10 : x
  2. Step 2: Convert to fraction form
    1,106,443.10/1,657,331.85 = 919,819.10/x
  3. Step 3: Cross multiply
    1,106,443.10x = 1,657,331.85 × 919,819.10
  4. Step 4: Simplify right side
    1,106,443.10x = 1,524,445,490,668.34
  5. Step 5: Solve for x
    x = 1,524,445,490,668.34/1,106,443.10
  6. Step 6: Final answer
    x = 1,377,789.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.