Home / 1,294,459.84-1,786,416-721,504.24

Finding the Fourth Proportional to 1,294,459.84, 1,786,416 and 721,504.24

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Solution

The fourth proportional to 1,294,459.84, 1,786,416 and 721,504.24 is: 995,710.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,459.84 : 1,786,416 = 721,504.24 : x
  2. Step 2: Convert to fraction form
    1,294,459.84/1,786,416 = 721,504.24/x
  3. Step 3: Cross multiply
    1,294,459.84x = 1,786,416 × 721,504.24
  4. Step 4: Simplify right side
    1,294,459.84x = 1,288,906,718,403.84
  5. Step 5: Solve for x
    x = 1,288,906,718,403.84/1,294,459.84
  6. Step 6: Final answer
    x = 995,710.09

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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.