Home / 1,907,534.70-2,859,523.26-644,479.02

Finding the Fourth Proportional to 1,907,534.70, 2,859,523.26 and 644,479.02

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Solution

The fourth proportional to 1,907,534.70, 2,859,523.26 and 644,479.02 is: 966,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,534.70 : 2,859,523.26 = 644,479.02 : x
  2. Step 2: Convert to fraction form
    1,907,534.70/2,859,523.26 = 644,479.02/x
  3. Step 3: Cross multiply
    1,907,534.70x = 2,859,523.26 × 644,479.02
  4. Step 4: Simplify right side
    1,907,534.70x = 1,842,902,748,272.01
  5. Step 5: Solve for x
    x = 1,842,902,748,272.01/1,907,534.70
  6. Step 6: Final answer
    x = 966,117.55

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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.