Home / 521,297.10-719,176.19-317,184.39

Finding the Fourth Proportional to 521,297.10, 719,176.19 and 317,184.39

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Solution

The fourth proportional to 521,297.10, 719,176.19 and 317,184.39 is: 437,584.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,297.10 : 719,176.19 = 317,184.39 : x
  2. Step 2: Convert to fraction form
    521,297.10/719,176.19 = 317,184.39/x
  3. Step 3: Cross multiply
    521,297.10x = 719,176.19 × 317,184.39
  4. Step 4: Simplify right side
    521,297.10x = 228,111,459,541.75
  5. Step 5: Solve for x
    x = 228,111,459,541.75/521,297.10
  6. Step 6: Final answer
    x = 437,584.36

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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.