Home / 1,316,250-1,973,973.96-684,819.36

Finding the Fourth Proportional to 1,316,250, 1,973,973.96 and 684,819.36

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Solution

The fourth proportional to 1,316,250, 1,973,973.96 and 684,819.36 is: 1,027,020.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,250 : 1,973,973.96 = 684,819.36 : x
  2. Step 2: Convert to fraction form
    1,316,250/1,973,973.96 = 684,819.36/x
  3. Step 3: Cross multiply
    1,316,250x = 1,973,973.96 × 684,819.36
  4. Step 4: Simplify right side
    1,316,250x = 1,351,815,583,943.87
  5. Step 5: Solve for x
    x = 1,351,815,583,943.87/1,316,250
  6. Step 6: Final answer
    x = 1,027,020.39

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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.