Home / 1,048,378.19-1,570,262.23-866,401.19

Finding the Fourth Proportional to 1,048,378.19, 1,570,262.23 and 866,401.19

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Solution

The fourth proportional to 1,048,378.19, 1,570,262.23 and 866,401.19 is: 1,297,696.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,378.19 : 1,570,262.23 = 866,401.19 : x
  2. Step 2: Convert to fraction form
    1,048,378.19/1,570,262.23 = 866,401.19/x
  3. Step 3: Cross multiply
    1,048,378.19x = 1,570,262.23 × 866,401.19
  4. Step 4: Simplify right side
    1,048,378.19x = 1,360,477,060,555.22
  5. Step 5: Solve for x
    x = 1,360,477,060,555.22/1,048,378.19
  6. Step 6: Final answer
    x = 1,297,696.83

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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.