Home / 1,021,866.21-1,410,176.67-556,717.77

Finding the Fourth Proportional to 1,021,866.21, 1,410,176.67 and 556,717.77

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Solution

The fourth proportional to 1,021,866.21, 1,410,176.67 and 556,717.77 is: 768,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,866.21 : 1,410,176.67 = 556,717.77 : x
  2. Step 2: Convert to fraction form
    1,021,866.21/1,410,176.67 = 556,717.77/x
  3. Step 3: Cross multiply
    1,021,866.21x = 1,410,176.67 × 556,717.77
  4. Step 4: Simplify right side
    1,021,866.21x = 785,070,411,028.43
  5. Step 5: Solve for x
    x = 785,070,411,028.43/1,021,866.21
  6. Step 6: Final answer
    x = 768,271.23

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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.