Home / 941,799.40-1,412,667.52-409,320.40

Finding the Fourth Proportional to 941,799.40, 1,412,667.52 and 409,320.40

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Solution

The fourth proportional to 941,799.40, 1,412,667.52 and 409,320.40 is: 613,966.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,799.40 : 1,412,667.52 = 409,320.40 : x
  2. Step 2: Convert to fraction form
    941,799.40/1,412,667.52 = 409,320.40/x
  3. Step 3: Cross multiply
    941,799.40x = 1,412,667.52 × 409,320.40
  4. Step 4: Simplify right side
    941,799.40x = 578,233,634,353.41
  5. Step 5: Solve for x
    x = 578,233,634,353.41/941,799.40
  6. Step 6: Final answer
    x = 613,966.87

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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.