Home / 725,916.04-1,001,760.85-403,606.91

Finding the Fourth Proportional to 725,916.04, 1,001,760.85 and 403,606.91

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Solution

The fourth proportional to 725,916.04, 1,001,760.85 and 403,606.91 is: 556,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,916.04 : 1,001,760.85 = 403,606.91 : x
  2. Step 2: Convert to fraction form
    725,916.04/1,001,760.85 = 403,606.91/x
  3. Step 3: Cross multiply
    725,916.04x = 1,001,760.85 × 403,606.91
  4. Step 4: Simplify right side
    725,916.04x = 404,317,602,722.86
  5. Step 5: Solve for x
    x = 404,317,602,722.86/725,916.04
  6. Step 6: Final answer
    x = 556,975.71

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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.