Home / 1,335,943.80-2,004,158.70-437,135.40

Finding the Fourth Proportional to 1,335,943.80, 2,004,158.70 and 437,135.40

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Solution

The fourth proportional to 1,335,943.80, 2,004,158.70 and 437,135.40 is: 655,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,943.80 : 2,004,158.70 = 437,135.40 : x
  2. Step 2: Convert to fraction form
    1,335,943.80/2,004,158.70 = 437,135.40/x
  3. Step 3: Cross multiply
    1,335,943.80x = 2,004,158.70 × 437,135.40
  4. Step 4: Simplify right side
    1,335,943.80x = 876,088,714,987.98
  5. Step 5: Solve for x
    x = 876,088,714,987.98/1,335,943.80
  6. Step 6: Final answer
    x = 655,782.61

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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.