Home / 1,668,128.56-2,499,336.03-910,501.67

Finding the Fourth Proportional to 1,668,128.56, 2,499,336.03 and 910,501.67

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Solution

The fourth proportional to 1,668,128.56, 2,499,336.03 and 910,501.67 is: 1,364,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,128.56 : 2,499,336.03 = 910,501.67 : x
  2. Step 2: Convert to fraction form
    1,668,128.56/2,499,336.03 = 910,501.67/x
  3. Step 3: Cross multiply
    1,668,128.56x = 2,499,336.03 × 910,501.67
  4. Step 4: Simplify right side
    1,668,128.56x = 2,275,649,629,206.17
  5. Step 5: Solve for x
    x = 2,275,649,629,206.17/1,668,128.56
  6. Step 6: Final answer
    x = 1,364,193.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.