Home / 1,126,929.53-1,690,412.83-317,333.42

Finding the Fourth Proportional to 1,126,929.53, 1,690,412.83 and 317,333.42

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Solution

The fourth proportional to 1,126,929.53, 1,690,412.83 and 317,333.42 is: 476,005.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,929.53 : 1,690,412.83 = 317,333.42 : x
  2. Step 2: Convert to fraction form
    1,126,929.53/1,690,412.83 = 317,333.42/x
  3. Step 3: Cross multiply
    1,126,929.53x = 1,690,412.83 × 317,333.42
  4. Step 4: Simplify right side
    1,126,929.53x = 536,424,487,988.48
  5. Step 5: Solve for x
    x = 536,424,487,988.48/1,126,929.53
  6. Step 6: Final answer
    x = 476,005.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.