Home / 981,053.04-1,353,616.68-572,923.20

Finding the Fourth Proportional to 981,053.04, 1,353,616.68 and 572,923.20

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Solution

The fourth proportional to 981,053.04, 1,353,616.68 and 572,923.20 is: 790,495.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,053.04 : 1,353,616.68 = 572,923.20 : x
  2. Step 2: Convert to fraction form
    981,053.04/1,353,616.68 = 572,923.20/x
  3. Step 3: Cross multiply
    981,053.04x = 1,353,616.68 × 572,923.20
  4. Step 4: Simplify right side
    981,053.04x = 775,518,399,878.98
  5. Step 5: Solve for x
    x = 775,518,399,878.98/981,053.04
  6. Step 6: Final answer
    x = 790,495.89

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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.