Home / 1,213,848.76-1,820,860.60-465,894.76

Finding the Fourth Proportional to 1,213,848.76, 1,820,860.60 and 465,894.76

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Solution

The fourth proportional to 1,213,848.76, 1,820,860.60 and 465,894.76 is: 698,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,848.76 : 1,820,860.60 = 465,894.76 : x
  2. Step 2: Convert to fraction form
    1,213,848.76/1,820,860.60 = 465,894.76/x
  3. Step 3: Cross multiply
    1,213,848.76x = 1,820,860.60 × 465,894.76
  4. Step 4: Simplify right side
    1,213,848.76x = 848,329,412,230.46
  5. Step 5: Solve for x
    x = 848,329,412,230.46/1,213,848.76
  6. Step 6: Final answer
    x = 698,875.71

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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.