Home / 1,404,154.23-2,107,412.93-1,315,580.73

Finding the Fourth Proportional to 1,404,154.23, 2,107,412.93 and 1,315,580.73

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Solution

The fourth proportional to 1,404,154.23, 2,107,412.93 and 1,315,580.73 is: 1,974,478.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,154.23 : 2,107,412.93 = 1,315,580.73 : x
  2. Step 2: Convert to fraction form
    1,404,154.23/2,107,412.93 = 1,315,580.73/x
  3. Step 3: Cross multiply
    1,404,154.23x = 2,107,412.93 × 1,315,580.73
  4. Step 4: Simplify right side
    1,404,154.23x = 2,772,471,840,860.84
  5. Step 5: Solve for x
    x = 2,772,471,840,860.84/1,404,154.23
  6. Step 6: Final answer
    x = 1,974,478.15

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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.