Home / 686,800.40-1,030,200.60-181,360.40

Finding the Fourth Proportional to 686,800.40, 1,030,200.60 and 181,360.40

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Solution

The fourth proportional to 686,800.40, 1,030,200.60 and 181,360.40 is: 272,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,800.40 : 1,030,200.60 = 181,360.40 : x
  2. Step 2: Convert to fraction form
    686,800.40/1,030,200.60 = 181,360.40/x
  3. Step 3: Cross multiply
    686,800.40x = 1,030,200.60 × 181,360.40
  4. Step 4: Simplify right side
    686,800.40x = 186,837,592,896.24
  5. Step 5: Solve for x
    x = 186,837,592,896.24/686,800.40
  6. Step 6: Final answer
    x = 272,040.60

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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.