Home / 1,388,807.10-2,083,210.65-1,152,611.10

Finding the Fourth Proportional to 1,388,807.10, 2,083,210.65 and 1,152,611.10

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Solution

The fourth proportional to 1,388,807.10, 2,083,210.65 and 1,152,611.10 is: 1,728,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,807.10 : 2,083,210.65 = 1,152,611.10 : x
  2. Step 2: Convert to fraction form
    1,388,807.10/2,083,210.65 = 1,152,611.10/x
  3. Step 3: Cross multiply
    1,388,807.10x = 2,083,210.65 × 1,152,611.10
  4. Step 4: Simplify right side
    1,388,807.10x = 2,401,131,718,828.22
  5. Step 5: Solve for x
    x = 2,401,131,718,828.22/1,388,807.10
  6. Step 6: Final answer
    x = 1,728,916.65

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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.