Home / 953,799.84-1,430,921.04-279,853.92

Finding the Fourth Proportional to 953,799.84, 1,430,921.04 and 279,853.92

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Solution

The fourth proportional to 953,799.84, 1,430,921.04 and 279,853.92 is: 419,845.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,799.84 : 1,430,921.04 = 279,853.92 : x
  2. Step 2: Convert to fraction form
    953,799.84/1,430,921.04 = 279,853.92/x
  3. Step 3: Cross multiply
    953,799.84x = 1,430,921.04 × 279,853.92
  4. Step 4: Simplify right side
    953,799.84x = 400,448,862,254.48
  5. Step 5: Solve for x
    x = 400,448,862,254.48/953,799.84
  6. Step 6: Final answer
    x = 419,845.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.