Home / 501,631.34-692,826.20-330,315.12

Finding the Fourth Proportional to 501,631.34, 692,826.20 and 330,315.12

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Solution

The fourth proportional to 501,631.34, 692,826.20 and 330,315.12 is: 456,213.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,631.34 : 692,826.20 = 330,315.12 : x
  2. Step 2: Convert to fraction form
    501,631.34/692,826.20 = 330,315.12/x
  3. Step 3: Cross multiply
    501,631.34x = 692,826.20 × 330,315.12
  4. Step 4: Simplify right side
    501,631.34x = 228,850,967,740.57
  5. Step 5: Solve for x
    x = 228,850,967,740.57/501,631.34
  6. Step 6: Final answer
    x = 456,213.46

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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.