Home / 712,940.60-1,067,442.60-555,476.60

Finding the Fourth Proportional to 712,940.60, 1,067,442.60 and 555,476.60

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Solution

The fourth proportional to 712,940.60, 1,067,442.60 and 555,476.60 is: 831,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,940.60 : 1,067,442.60 = 555,476.60 : x
  2. Step 2: Convert to fraction form
    712,940.60/1,067,442.60 = 555,476.60/x
  3. Step 3: Cross multiply
    712,940.60x = 1,067,442.60 × 555,476.60
  4. Step 4: Simplify right side
    712,940.60x = 592,939,386,143.16
  5. Step 5: Solve for x
    x = 592,939,386,143.16/712,940.60
  6. Step 6: Final answer
    x = 831,681.33

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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.