Home / 578,540.40-867,810.60-526,930.80

Finding the Fourth Proportional to 578,540.40, 867,810.60 and 526,930.80

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Solution

The fourth proportional to 578,540.40, 867,810.60 and 526,930.80 is: 790,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,540.40 : 867,810.60 = 526,930.80 : x
  2. Step 2: Convert to fraction form
    578,540.40/867,810.60 = 526,930.80/x
  3. Step 3: Cross multiply
    578,540.40x = 867,810.60 × 526,930.80
  4. Step 4: Simplify right side
    578,540.40x = 457,276,133,706.48
  5. Step 5: Solve for x
    x = 457,276,133,706.48/578,540.40
  6. Step 6: Final answer
    x = 790,396.20

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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.