Home / 983,376.72-1,475,638.62-414,722.76

Finding the Fourth Proportional to 983,376.72, 1,475,638.62 and 414,722.76

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Solution

The fourth proportional to 983,376.72, 1,475,638.62 and 414,722.76 is: 622,326.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,376.72 : 1,475,638.62 = 414,722.76 : x
  2. Step 2: Convert to fraction form
    983,376.72/1,475,638.62 = 414,722.76/x
  3. Step 3: Cross multiply
    983,376.72x = 1,475,638.62 × 414,722.76
  4. Step 4: Simplify right side
    983,376.72x = 611,980,921,248.99
  5. Step 5: Solve for x
    x = 611,980,921,248.99/983,376.72
  6. Step 6: Final answer
    x = 622,326.02

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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.