Home / 1,423,041.06-1,963,903.20-811,208.37

Finding the Fourth Proportional to 1,423,041.06, 1,963,903.20 and 811,208.37

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Solution

The fourth proportional to 1,423,041.06, 1,963,903.20 and 811,208.37 is: 1,119,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,041.06 : 1,963,903.20 = 811,208.37 : x
  2. Step 2: Convert to fraction form
    1,423,041.06/1,963,903.20 = 811,208.37/x
  3. Step 3: Cross multiply
    1,423,041.06x = 1,963,903.20 × 811,208.37
  4. Step 4: Simplify right side
    1,423,041.06x = 1,593,134,713,709.78
  5. Step 5: Solve for x
    x = 1,593,134,713,709.78/1,423,041.06
  6. Step 6: Final answer
    x = 1,119,528.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.