Home / 1,021,143.42-1,409,166.05-562,248.45

Finding the Fourth Proportional to 1,021,143.42, 1,409,166.05 and 562,248.45

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Solution

The fourth proportional to 1,021,143.42, 1,409,166.05 and 562,248.45 is: 775,896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,143.42 : 1,409,166.05 = 562,248.45 : x
  2. Step 2: Convert to fraction form
    1,021,143.42/1,409,166.05 = 562,248.45/x
  3. Step 3: Cross multiply
    1,021,143.42x = 1,409,166.05 × 562,248.45
  4. Step 4: Simplify right side
    1,021,143.42x = 792,301,424,593.88
  5. Step 5: Solve for x
    x = 792,301,424,593.88/1,021,143.42
  6. Step 6: Final answer
    x = 775,896.32

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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.