Home / 951,709.28-1,313,776.08-666,348.32

Finding the Fourth Proportional to 951,709.28, 1,313,776.08 and 666,348.32

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Solution

The fourth proportional to 951,709.28, 1,313,776.08 and 666,348.32 is: 919,852.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,709.28 : 1,313,776.08 = 666,348.32 : x
  2. Step 2: Convert to fraction form
    951,709.28/1,313,776.08 = 666,348.32/x
  3. Step 3: Cross multiply
    951,709.28x = 1,313,776.08 × 666,348.32
  4. Step 4: Simplify right side
    951,709.28x = 875,432,483,764.19
  5. Step 5: Solve for x
    x = 875,432,483,764.19/951,709.28
  6. Step 6: Final answer
    x = 919,852.84

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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.