Home / 1,538,681.28-2,307,788.40-541,176

Finding the Fourth Proportional to 1,538,681.28, 2,307,788.40 and 541,176

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Solution

The fourth proportional to 1,538,681.28, 2,307,788.40 and 541,176 is: 811,681.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,681.28 : 2,307,788.40 = 541,176 : x
  2. Step 2: Convert to fraction form
    1,538,681.28/2,307,788.40 = 541,176/x
  3. Step 3: Cross multiply
    1,538,681.28x = 2,307,788.40 × 541,176
  4. Step 4: Simplify right side
    1,538,681.28x = 1,248,919,695,158.40
  5. Step 5: Solve for x
    x = 1,248,919,695,158.40/1,538,681.28
  6. Step 6: Final answer
    x = 811,681.87

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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.