Home / 1,085,208.40-1,626,849.35-410,819.59

Finding the Fourth Proportional to 1,085,208.40, 1,626,849.35 and 410,819.59

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Solution

The fourth proportional to 1,085,208.40, 1,626,849.35 and 410,819.59 is: 615,864.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,208.40 : 1,626,849.35 = 410,819.59 : x
  2. Step 2: Convert to fraction form
    1,085,208.40/1,626,849.35 = 410,819.59/x
  3. Step 3: Cross multiply
    1,085,208.40x = 1,626,849.35 × 410,819.59
  4. Step 4: Simplify right side
    1,085,208.40x = 668,341,572,770.42
  5. Step 5: Solve for x
    x = 668,341,572,770.42/1,085,208.40
  6. Step 6: Final answer
    x = 615,864.73

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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.