Home / 1,450,140.57-2,001,192.95-805,621.05

Finding the Fourth Proportional to 1,450,140.57, 2,001,192.95 and 805,621.05

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Solution

The fourth proportional to 1,450,140.57, 2,001,192.95 and 805,621.05 is: 1,111,756.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,140.57 : 2,001,192.95 = 805,621.05 : x
  2. Step 2: Convert to fraction form
    1,450,140.57/2,001,192.95 = 805,621.05/x
  3. Step 3: Cross multiply
    1,450,140.57x = 2,001,192.95 × 805,621.05
  4. Step 4: Simplify right side
    1,450,140.57x = 1,612,203,161,603.49
  5. Step 5: Solve for x
    x = 1,612,203,161,603.49/1,450,140.57
  6. Step 6: Final answer
    x = 1,111,756.47

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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.