Home / 1,003,349.70-1,505,254.42-434,826.18

Finding the Fourth Proportional to 1,003,349.70, 1,505,254.42 and 434,826.18

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Solution

The fourth proportional to 1,003,349.70, 1,505,254.42 and 434,826.18 is: 652,338.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,349.70 : 1,505,254.42 = 434,826.18 : x
  2. Step 2: Convert to fraction form
    1,003,349.70/1,505,254.42 = 434,826.18/x
  3. Step 3: Cross multiply
    1,003,349.70x = 1,505,254.42 × 434,826.18
  4. Step 4: Simplify right side
    1,003,349.70x = 654,524,029,376.72
  5. Step 5: Solve for x
    x = 654,524,029,376.72/1,003,349.70
  6. Step 6: Final answer
    x = 652,338.89

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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.