Home / 715,016.40-986,894.47-409,270.03

Finding the Fourth Proportional to 715,016.40, 986,894.47 and 409,270.03

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Solution

The fourth proportional to 715,016.40, 986,894.47 and 409,270.03 is: 564,891.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,016.40 : 986,894.47 = 409,270.03 : x
  2. Step 2: Convert to fraction form
    715,016.40/986,894.47 = 409,270.03/x
  3. Step 3: Cross multiply
    715,016.40x = 986,894.47 × 409,270.03
  4. Step 4: Simplify right side
    715,016.40x = 403,906,330,637.22
  5. Step 5: Solve for x
    x = 403,906,330,637.22/715,016.40
  6. Step 6: Final answer
    x = 564,891.00

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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.