Home / 1,803,681.28-2,705,565.60-605,642.72

Finding the Fourth Proportional to 1,803,681.28, 2,705,565.60 and 605,642.72

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Solution

The fourth proportional to 1,803,681.28, 2,705,565.60 and 605,642.72 is: 908,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,681.28 : 2,705,565.60 = 605,642.72 : x
  2. Step 2: Convert to fraction form
    1,803,681.28/2,705,565.60 = 605,642.72/x
  3. Step 3: Cross multiply
    1,803,681.28x = 2,705,565.60 × 605,642.72
  4. Step 4: Simplify right side
    1,803,681.28x = 1,638,606,109,122.43
  5. Step 5: Solve for x
    x = 1,638,606,109,122.43/1,803,681.28
  6. Step 6: Final answer
    x = 908,478.75

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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.