Home / 934,301.84-1,289,288.85-526,427.78

Finding the Fourth Proportional to 934,301.84, 1,289,288.85 and 526,427.78

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Solution

The fourth proportional to 934,301.84, 1,289,288.85 and 526,427.78 is: 726,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,301.84 : 1,289,288.85 = 526,427.78 : x
  2. Step 2: Convert to fraction form
    934,301.84/1,289,288.85 = 526,427.78/x
  3. Step 3: Cross multiply
    934,301.84x = 1,289,288.85 × 526,427.78
  4. Step 4: Simplify right side
    934,301.84x = 678,717,467,084.25
  5. Step 5: Solve for x
    x = 678,717,467,084.25/934,301.84
  6. Step 6: Final answer
    x = 726,443.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.