Home / 1,754,178.73-2,420,784.63-1,029,038.78

Finding the Fourth Proportional to 1,754,178.73, 2,420,784.63 and 1,029,038.78

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Solution

The fourth proportional to 1,754,178.73, 2,420,784.63 and 1,029,038.78 is: 1,420,084.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,178.73 : 2,420,784.63 = 1,029,038.78 : x
  2. Step 2: Convert to fraction form
    1,754,178.73/2,420,784.63 = 1,029,038.78/x
  3. Step 3: Cross multiply
    1,754,178.73x = 2,420,784.63 × 1,029,038.78
  4. Step 4: Simplify right side
    1,754,178.73x = 2,491,081,268,349.91
  5. Step 5: Solve for x
    x = 2,491,081,268,349.91/1,754,178.73
  6. Step 6: Final answer
    x = 1,420,084.07

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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.