Home / 983,856.60-1,475,784.90-808,896.60

Finding the Fourth Proportional to 983,856.60, 1,475,784.90 and 808,896.60

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Solution

The fourth proportional to 983,856.60, 1,475,784.90 and 808,896.60 is: 1,213,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,856.60 : 1,475,784.90 = 808,896.60 : x
  2. Step 2: Convert to fraction form
    983,856.60/1,475,784.90 = 808,896.60/x
  3. Step 3: Cross multiply
    983,856.60x = 1,475,784.90 × 808,896.60
  4. Step 4: Simplify right side
    983,856.60x = 1,193,757,387,941.34
  5. Step 5: Solve for x
    x = 1,193,757,387,941.34/983,856.60
  6. Step 6: Final answer
    x = 1,213,344.90

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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.