Home / 1,256,577.51-1,734,084.50-683,621.78

Finding the Fourth Proportional to 1,256,577.51, 1,734,084.50 and 683,621.78

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Solution

The fourth proportional to 1,256,577.51, 1,734,084.50 and 683,621.78 is: 943,402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,577.51 : 1,734,084.50 = 683,621.78 : x
  2. Step 2: Convert to fraction form
    1,256,577.51/1,734,084.50 = 683,621.78/x
  3. Step 3: Cross multiply
    1,256,577.51x = 1,734,084.50 × 683,621.78
  4. Step 4: Simplify right side
    1,256,577.51x = 1,185,457,934,071.48
  5. Step 5: Solve for x
    x = 1,185,457,934,071.48/1,256,577.51
  6. Step 6: Final answer
    x = 943,402.16

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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.