Home / 738,101.10-1,106,455.05-400,644.30

Finding the Fourth Proportional to 738,101.10, 1,106,455.05 and 400,644.30

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Solution

The fourth proportional to 738,101.10, 1,106,455.05 and 400,644.30 is: 600,588.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,101.10 : 1,106,455.05 = 400,644.30 : x
  2. Step 2: Convert to fraction form
    738,101.10/1,106,455.05 = 400,644.30/x
  3. Step 3: Cross multiply
    738,101.10x = 1,106,455.05 × 400,644.30
  4. Step 4: Simplify right side
    738,101.10x = 443,294,908,988.72
  5. Step 5: Solve for x
    x = 443,294,908,988.72/738,101.10
  6. Step 6: Final answer
    x = 600,588.33

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1.5x scale

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.