Home / 881,530.48-1,217,011.62-674,409.20

Finding the Fourth Proportional to 881,530.48, 1,217,011.62 and 674,409.20

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Solution

The fourth proportional to 881,530.48, 1,217,011.62 and 674,409.20 is: 931,066.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,530.48 : 1,217,011.62 = 674,409.20 : x
  2. Step 2: Convert to fraction form
    881,530.48/1,217,011.62 = 674,409.20/x
  3. Step 3: Cross multiply
    881,530.48x = 1,217,011.62 × 674,409.20
  4. Step 4: Simplify right side
    881,530.48x = 820,763,833,034.90
  5. Step 5: Solve for x
    x = 820,763,833,034.90/881,530.48
  6. Step 6: Final answer
    x = 931,066.88

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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.