Home / 934,627.84-1,289,813.16-521,174.16

Finding the Fourth Proportional to 934,627.84, 1,289,813.16 and 521,174.16

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Solution

The fourth proportional to 934,627.84, 1,289,813.16 and 521,174.16 is: 719,235.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,627.84 : 1,289,813.16 = 521,174.16 : x
  2. Step 2: Convert to fraction form
    934,627.84/1,289,813.16 = 521,174.16/x
  3. Step 3: Cross multiply
    934,627.84x = 1,289,813.16 × 521,174.16
  4. Step 4: Simplify right side
    934,627.84x = 672,217,290,219.95
  5. Step 5: Solve for x
    x = 672,217,290,219.95/934,627.84
  6. Step 6: Final answer
    x = 719,235.25

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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.