Home / 1,256,577.65-1,734,084.69-683,621.93

Finding the Fourth Proportional to 1,256,577.65, 1,734,084.69 and 683,621.93

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Solution

The fourth proportional to 1,256,577.65, 1,734,084.69 and 683,621.93 is: 943,402.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,577.65 : 1,734,084.69 = 683,621.93 : x
  2. Step 2: Convert to fraction form
    1,256,577.65/1,734,084.69 = 683,621.93/x
  3. Step 3: Cross multiply
    1,256,577.65x = 1,734,084.69 × 683,621.93
  4. Step 4: Simplify right side
    1,256,577.65x = 1,185,458,320,346.71
  5. Step 5: Solve for x
    x = 1,185,458,320,346.71/1,256,577.65
  6. Step 6: Final answer
    x = 943,402.36

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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.