Home / 913,586.64-1,260,459.65-531,539.60

Finding the Fourth Proportional to 913,586.64, 1,260,459.65 and 531,539.60

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Solution

The fourth proportional to 913,586.64, 1,260,459.65 and 531,539.60 is: 733,355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,586.64 : 1,260,459.65 = 531,539.60 : x
  2. Step 2: Convert to fraction form
    913,586.64/1,260,459.65 = 531,539.60/x
  3. Step 3: Cross multiply
    913,586.64x = 1,260,459.65 × 531,539.60
  4. Step 4: Simplify right side
    913,586.64x = 669,984,218,177.14
  5. Step 5: Solve for x
    x = 669,984,218,177.14/913,586.64
  6. Step 6: Final answer
    x = 733,355.97

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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.