Home / 1,695,386.22-2,543,210.55-480,942.36

Finding the Fourth Proportional to 1,695,386.22, 2,543,210.55 and 480,942.36

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Solution

The fourth proportional to 1,695,386.22, 2,543,210.55 and 480,942.36 is: 721,450.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,386.22 : 2,543,210.55 = 480,942.36 : x
  2. Step 2: Convert to fraction form
    1,695,386.22/2,543,210.55 = 480,942.36/x
  3. Step 3: Cross multiply
    1,695,386.22x = 2,543,210.55 × 480,942.36
  4. Step 4: Simplify right side
    1,695,386.22x = 1,223,137,683,893.90
  5. Step 5: Solve for x
    x = 1,223,137,683,893.90/1,695,386.22
  6. Step 6: Final answer
    x = 721,450.76

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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.