Home / 1,021,859.72-1,410,021.78-580,319

Finding the Fourth Proportional to 1,021,859.72, 1,410,021.78 and 580,319

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Solution

The fourth proportional to 1,021,859.72, 1,410,021.78 and 580,319 is: 800,758.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,859.72 : 1,410,021.78 = 580,319 : x
  2. Step 2: Convert to fraction form
    1,021,859.72/1,410,021.78 = 580,319/x
  3. Step 3: Cross multiply
    1,021,859.72x = 1,410,021.78 × 580,319
  4. Step 4: Simplify right side
    1,021,859.72x = 818,262,429,347.82
  5. Step 5: Solve for x
    x = 818,262,429,347.82/1,021,859.72
  6. Step 6: Final answer
    x = 800,758.08

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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.