Home / 872,513.10-1,307,732.85-367,073.10

Finding the Fourth Proportional to 872,513.10, 1,307,732.85 and 367,073.10

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Solution

The fourth proportional to 872,513.10, 1,307,732.85 and 367,073.10 is: 550,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,513.10 : 1,307,732.85 = 367,073.10 : x
  2. Step 2: Convert to fraction form
    872,513.10/1,307,732.85 = 367,073.10/x
  3. Step 3: Cross multiply
    872,513.10x = 1,307,732.85 × 367,073.10
  4. Step 4: Simplify right side
    872,513.10x = 480,033,551,221.34
  5. Step 5: Solve for x
    x = 480,033,551,221.34/872,513.10
  6. Step 6: Final answer
    x = 550,173.46

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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.