Home / 1,405,511.40-2,108,267.10-1,069,588.20

Finding the Fourth Proportional to 1,405,511.40, 2,108,267.10 and 1,069,588.20

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Solution

The fourth proportional to 1,405,511.40, 2,108,267.10 and 1,069,588.20 is: 1,604,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,511.40 : 2,108,267.10 = 1,069,588.20 : x
  2. Step 2: Convert to fraction form
    1,405,511.40/2,108,267.10 = 1,069,588.20/x
  3. Step 3: Cross multiply
    1,405,511.40x = 2,108,267.10 × 1,069,588.20
  4. Step 4: Simplify right side
    1,405,511.40x = 2,254,977,612,608.22
  5. Step 5: Solve for x
    x = 2,254,977,612,608.22/1,405,511.40
  6. Step 6: Final answer
    x = 1,604,382.30

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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.