Home / 951,665.28-1,313,715.36-666,304.32

Finding the Fourth Proportional to 951,665.28, 1,313,715.36 and 666,304.32

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Solution

The fourth proportional to 951,665.28, 1,313,715.36 and 666,304.32 is: 919,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,665.28 : 1,313,715.36 = 666,304.32 : x
  2. Step 2: Convert to fraction form
    951,665.28/1,313,715.36 = 666,304.32/x
  3. Step 3: Cross multiply
    951,665.28x = 1,313,715.36 × 666,304.32
  4. Step 4: Simplify right side
    951,665.28x = 875,334,219,618.36
  5. Step 5: Solve for x
    x = 875,334,219,618.36/951,665.28
  6. Step 6: Final answer
    x = 919,792.11

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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.