Home / 430,868.37-646,597.76-150,385.62

Finding the Fourth Proportional to 430,868.37, 646,597.76 and 150,385.62

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Solution

The fourth proportional to 430,868.37, 646,597.76 and 150,385.62 is: 225,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,868.37 : 646,597.76 = 150,385.62 : x
  2. Step 2: Convert to fraction form
    430,868.37/646,597.76 = 150,385.62/x
  3. Step 3: Cross multiply
    430,868.37x = 646,597.76 × 150,385.62
  4. Step 4: Simplify right side
    430,868.37x = 97,239,004,276.28
  5. Step 5: Solve for x
    x = 97,239,004,276.28/430,868.37
  6. Step 6: Final answer
    x = 225,681.46

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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.