Home / 711,127.24-981,602.70-409,441.48

Finding the Fourth Proportional to 711,127.24, 981,602.70 and 409,441.48

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Solution

The fourth proportional to 711,127.24, 981,602.70 and 409,441.48 is: 565,171.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,127.24 : 981,602.70 = 409,441.48 : x
  2. Step 2: Convert to fraction form
    711,127.24/981,602.70 = 409,441.48/x
  3. Step 3: Cross multiply
    711,127.24x = 981,602.70 × 409,441.48
  4. Step 4: Simplify right side
    711,127.24x = 401,908,862,260.00
  5. Step 5: Solve for x
    x = 401,908,862,260.00/711,127.24
  6. Step 6: Final answer
    x = 565,171.52

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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.