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Finding the Fourth Proportional to 961,004, 1,324,547.90 and 879,556.16

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Solution

The fourth proportional to 961,004, 1,324,547.90 and 879,556.16 is: 1,212,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,004 : 1,324,547.90 = 879,556.16 : x
  2. Step 2: Convert to fraction form
    961,004/1,324,547.90 = 879,556.16/x
  3. Step 3: Cross multiply
    961,004x = 1,324,547.90 × 879,556.16
  4. Step 4: Simplify right side
    961,004x = 1,165,014,264,660.06
  5. Step 5: Solve for x
    x = 1,165,014,264,660.06/961,004
  6. Step 6: Final answer
    x = 1,212,288.67

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1.5x scale

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.