Home / 1,519,329.48-2,096,638.80-840,251.40

Finding the Fourth Proportional to 1,519,329.48, 2,096,638.80 and 840,251.40

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Solution

The fourth proportional to 1,519,329.48, 2,096,638.80 and 840,251.40 is: 1,159,527.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,329.48 : 2,096,638.80 = 840,251.40 : x
  2. Step 2: Convert to fraction form
    1,519,329.48/2,096,638.80 = 840,251.40/x
  3. Step 3: Cross multiply
    1,519,329.48x = 2,096,638.80 × 840,251.40
  4. Step 4: Simplify right side
    1,519,329.48x = 1,761,703,686,994.32
  5. Step 5: Solve for x
    x = 1,761,703,686,994.32/1,519,329.48
  6. Step 6: Final answer
    x = 1,159,527.09

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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.