Home / 704,390.40-1,054,719.36-371,266.56

Finding the Fourth Proportional to 704,390.40, 1,054,719.36 and 371,266.56

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Solution

The fourth proportional to 704,390.40, 1,054,719.36 and 371,266.56 is: 555,916.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,390.40 : 1,054,719.36 = 371,266.56 : x
  2. Step 2: Convert to fraction form
    704,390.40/1,054,719.36 = 371,266.56/x
  3. Step 3: Cross multiply
    704,390.40x = 1,054,719.36 × 371,266.56
  4. Step 4: Simplify right side
    704,390.40x = 391,582,028,552.60
  5. Step 5: Solve for x
    x = 391,582,028,552.60/704,390.40
  6. Step 6: Final answer
    x = 555,916.19

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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.