Home / 1,507,126.41-2,260,710.89-442,190.46

Finding the Fourth Proportional to 1,507,126.41, 2,260,710.89 and 442,190.46

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Solution

The fourth proportional to 1,507,126.41, 2,260,710.89 and 442,190.46 is: 663,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,126.41 : 2,260,710.89 = 442,190.46 : x
  2. Step 2: Convert to fraction form
    1,507,126.41/2,260,710.89 = 442,190.46/x
  3. Step 3: Cross multiply
    1,507,126.41x = 2,260,710.89 × 442,190.46
  4. Step 4: Simplify right side
    1,507,126.41x = 999,664,788,376.11
  5. Step 5: Solve for x
    x = 999,664,788,376.11/1,507,126.41
  6. Step 6: Final answer
    x = 663,291.93

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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.