Home / 1,021,866.11-1,410,176.53-556,717.68

Finding the Fourth Proportional to 1,021,866.11, 1,410,176.53 and 556,717.68

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Solution

The fourth proportional to 1,021,866.11, 1,410,176.53 and 556,717.68 is: 768,271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,866.11 : 1,410,176.53 = 556,717.68 : x
  2. Step 2: Convert to fraction form
    1,021,866.11/1,410,176.53 = 556,717.68/x
  3. Step 3: Cross multiply
    1,021,866.11x = 1,410,176.53 × 556,717.68
  4. Step 4: Simplify right side
    1,021,866.11x = 785,070,206,867.95
  5. Step 5: Solve for x
    x = 785,070,206,867.95/1,021,866.11
  6. Step 6: Final answer
    x = 768,271.11

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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.