Home / 1,386,299.14-2,079,685.16-618,075.60

Finding the Fourth Proportional to 1,386,299.14, 2,079,685.16 and 618,075.60

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Solution

The fourth proportional to 1,386,299.14, 2,079,685.16 and 618,075.60 is: 927,218.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,299.14 : 2,079,685.16 = 618,075.60 : x
  2. Step 2: Convert to fraction form
    1,386,299.14/2,079,685.16 = 618,075.60/x
  3. Step 3: Cross multiply
    1,386,299.14x = 2,079,685.16 × 618,075.60
  4. Step 4: Simplify right side
    1,386,299.14x = 1,285,402,653,078.10
  5. Step 5: Solve for x
    x = 1,285,402,653,078.10/1,386,299.14
  6. Step 6: Final answer
    x = 927,218.82

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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.