Home / 897,777.79-1,238,561.62-626,006.59

Finding the Fourth Proportional to 897,777.79, 1,238,561.62 and 626,006.59

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Solution

The fourth proportional to 897,777.79, 1,238,561.62 and 626,006.59 is: 863,629.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,777.79 : 1,238,561.62 = 626,006.59 : x
  2. Step 2: Convert to fraction form
    897,777.79/1,238,561.62 = 626,006.59/x
  3. Step 3: Cross multiply
    897,777.79x = 1,238,561.62 × 626,006.59
  4. Step 4: Simplify right side
    897,777.79x = 775,347,736,241.08
  5. Step 5: Solve for x
    x = 775,347,736,241.08/897,777.79
  6. Step 6: Final answer
    x = 863,629.89

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1.5x scale

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.