Home / 711,434.07-981,768.24-424,898.73

Finding the Fourth Proportional to 711,434.07, 981,768.24 and 424,898.73

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Solution

The fourth proportional to 711,434.07, 981,768.24 and 424,898.73 is: 586,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,434.07 : 981,768.24 = 424,898.73 : x
  2. Step 2: Convert to fraction form
    711,434.07/981,768.24 = 424,898.73/x
  3. Step 3: Cross multiply
    711,434.07x = 981,768.24 × 424,898.73
  4. Step 4: Simplify right side
    711,434.07x = 417,152,078,330.34
  5. Step 5: Solve for x
    x = 417,152,078,330.34/711,434.07
  6. Step 6: Final answer
    x = 586,353.81

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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.