Home / 881,774.40-1,217,347.68-674,652.48

Finding the Fourth Proportional to 881,774.40, 1,217,347.68 and 674,652.48

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Solution

The fourth proportional to 881,774.40, 1,217,347.68 and 674,652.48 is: 931,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,774.40 : 1,217,347.68 = 674,652.48 : x
  2. Step 2: Convert to fraction form
    881,774.40/1,217,347.68 = 674,652.48/x
  3. Step 3: Cross multiply
    881,774.40x = 1,217,347.68 × 674,652.48
  4. Step 4: Simplify right side
    881,774.40x = 821,286,631,334.25
  5. Step 5: Solve for x
    x = 821,286,631,334.25/881,774.40
  6. Step 6: Final answer
    x = 931,402.22

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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.