Home / 912,075.30-1,368,112.95-807,099.30

Finding the Fourth Proportional to 912,075.30, 1,368,112.95 and 807,099.30

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Solution

The fourth proportional to 912,075.30, 1,368,112.95 and 807,099.30 is: 1,210,648.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,075.30 : 1,368,112.95 = 807,099.30 : x
  2. Step 2: Convert to fraction form
    912,075.30/1,368,112.95 = 807,099.30/x
  3. Step 3: Cross multiply
    912,075.30x = 1,368,112.95 × 807,099.30
  4. Step 4: Simplify right side
    912,075.30x = 1,104,203,004,265.94
  5. Step 5: Solve for x
    x = 1,104,203,004,265.94/912,075.30
  6. Step 6: Final answer
    x = 1,210,648.95

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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.