Home / 1,114,420.78-1,537,900.68-605,123.16

Finding the Fourth Proportional to 1,114,420.78, 1,537,900.68 and 605,123.16

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Solution

The fourth proportional to 1,114,420.78, 1,537,900.68 and 605,123.16 is: 835,069.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,420.78 : 1,537,900.68 = 605,123.16 : x
  2. Step 2: Convert to fraction form
    1,114,420.78/1,537,900.68 = 605,123.16/x
  3. Step 3: Cross multiply
    1,114,420.78x = 1,537,900.68 × 605,123.16
  4. Step 4: Simplify right side
    1,114,420.78x = 930,619,312,346.02
  5. Step 5: Solve for x
    x = 930,619,312,346.02/1,114,420.78
  6. Step 6: Final answer
    x = 835,069.96

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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.