Home / 1,665,395.20-2,497,509.60-866,411.20

Finding the Fourth Proportional to 1,665,395.20, 2,497,509.60 and 866,411.20

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Solution

The fourth proportional to 1,665,395.20, 2,497,509.60 and 866,411.20 is: 1,299,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,395.20 : 2,497,509.60 = 866,411.20 : x
  2. Step 2: Convert to fraction form
    1,665,395.20/2,497,509.60 = 866,411.20/x
  3. Step 3: Cross multiply
    1,665,395.20x = 2,497,509.60 × 866,411.20
  4. Step 4: Simplify right side
    1,665,395.20x = 2,163,870,289,547.52
  5. Step 5: Solve for x
    x = 2,163,870,289,547.52/1,665,395.20
  6. Step 6: Final answer
    x = 1,299,313.39

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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.