Home / 999,647.90-1,379,075.92-585,975.02

Finding the Fourth Proportional to 999,647.90, 1,379,075.92 and 585,975.02

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Solution

The fourth proportional to 999,647.90, 1,379,075.92 and 585,975.02 is: 808,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,647.90 : 1,379,075.92 = 585,975.02 : x
  2. Step 2: Convert to fraction form
    999,647.90/1,379,075.92 = 585,975.02/x
  3. Step 3: Cross multiply
    999,647.90x = 1,379,075.92 × 585,975.02
  4. Step 4: Simplify right side
    999,647.90x = 808,104,039,803.52
  5. Step 5: Solve for x
    x = 808,104,039,803.52/999,647.90
  6. Step 6: Final answer
    x = 808,388.67

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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.