Home / 1,017,069.20-1,525,603.80-618,491.60

Finding the Fourth Proportional to 1,017,069.20, 1,525,603.80 and 618,491.60

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Solution

The fourth proportional to 1,017,069.20, 1,525,603.80 and 618,491.60 is: 927,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,069.20 : 1,525,603.80 = 618,491.60 : x
  2. Step 2: Convert to fraction form
    1,017,069.20/1,525,603.80 = 618,491.60/x
  3. Step 3: Cross multiply
    1,017,069.20x = 1,525,603.80 × 618,491.60
  4. Step 4: Simplify right side
    1,017,069.20x = 943,573,135,228.08
  5. Step 5: Solve for x
    x = 943,573,135,228.08/1,017,069.20
  6. Step 6: Final answer
    x = 927,737.40

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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.