Home / 1,216,798.77-1,823,911.05-458,312.07

Finding the Fourth Proportional to 1,216,798.77, 1,823,911.05 and 458,312.07

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Solution

The fourth proportional to 1,216,798.77, 1,823,911.05 and 458,312.07 is: 686,983.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,798.77 : 1,823,911.05 = 458,312.07 : x
  2. Step 2: Convert to fraction form
    1,216,798.77/1,823,911.05 = 458,312.07/x
  3. Step 3: Cross multiply
    1,216,798.77x = 1,823,911.05 × 458,312.07
  4. Step 4: Simplify right side
    1,216,798.77x = 835,920,448,821.37
  5. Step 5: Solve for x
    x = 835,920,448,821.37/1,216,798.77
  6. Step 6: Final answer
    x = 686,983.31

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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.