Home / 934,301.34-1,289,288.16-526,427.28

Finding the Fourth Proportional to 934,301.34, 1,289,288.16 and 526,427.28

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Solution

The fourth proportional to 934,301.34, 1,289,288.16 and 526,427.28 is: 726,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,301.34 : 1,289,288.16 = 526,427.28 : x
  2. Step 2: Convert to fraction form
    934,301.34/1,289,288.16 = 526,427.28/x
  3. Step 3: Cross multiply
    934,301.34x = 1,289,288.16 × 526,427.28
  4. Step 4: Simplify right side
    934,301.34x = 678,716,459,205.01
  5. Step 5: Solve for x
    x = 678,716,459,205.01/934,301.34
  6. Step 6: Final answer
    x = 726,442.78

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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.