Home / 831,058.52-1,146,411.43-555,891.80

Finding the Fourth Proportional to 831,058.52, 1,146,411.43 and 555,891.80

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Solution

The fourth proportional to 831,058.52, 1,146,411.43 and 555,891.80 is: 766,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,058.52 : 1,146,411.43 = 555,891.80 : x
  2. Step 2: Convert to fraction form
    831,058.52/1,146,411.43 = 555,891.80/x
  3. Step 3: Cross multiply
    831,058.52x = 1,146,411.43 × 555,891.80
  4. Step 4: Simplify right side
    831,058.52x = 637,280,706,241.49
  5. Step 5: Solve for x
    x = 637,280,706,241.49/831,058.52
  6. Step 6: Final answer
    x = 766,830.13

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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.