Home / 1,772,118.81-2,658,049.73-692,428.35

Finding the Fourth Proportional to 1,772,118.81, 2,658,049.73 and 692,428.35

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Solution

The fourth proportional to 1,772,118.81, 2,658,049.73 and 692,428.35 is: 1,038,592.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,118.81 : 2,658,049.73 = 692,428.35 : x
  2. Step 2: Convert to fraction form
    1,772,118.81/2,658,049.73 = 692,428.35/x
  3. Step 3: Cross multiply
    1,772,118.81x = 2,658,049.73 × 692,428.35
  4. Step 4: Simplify right side
    1,772,118.81x = 1,840,508,982,912.47
  5. Step 5: Solve for x
    x = 1,840,508,982,912.47/1,772,118.81
  6. Step 6: Final answer
    x = 1,038,592.32

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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.