Home / 981,369.04-1,354,052.80-573,239.20

Finding the Fourth Proportional to 981,369.04, 1,354,052.80 and 573,239.20

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Solution

The fourth proportional to 981,369.04, 1,354,052.80 and 573,239.20 is: 790,931.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,369.04 : 1,354,052.80 = 573,239.20 : x
  2. Step 2: Convert to fraction form
    981,369.04/1,354,052.80 = 573,239.20/x
  3. Step 3: Cross multiply
    981,369.04x = 1,354,052.80 × 573,239.20
  4. Step 4: Simplify right side
    981,369.04x = 776,196,143,829.76
  5. Step 5: Solve for x
    x = 776,196,143,829.76/981,369.04
  6. Step 6: Final answer
    x = 790,931.97

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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.