Home / 929,631.42-1,395,037.01-397,156.46

Finding the Fourth Proportional to 929,631.42, 1,395,037.01 and 397,156.46

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Solution

The fourth proportional to 929,631.42, 1,395,037.01 and 397,156.46 is: 595,986.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,631.42 : 1,395,037.01 = 397,156.46 : x
  2. Step 2: Convert to fraction form
    929,631.42/1,395,037.01 = 397,156.46/x
  3. Step 3: Cross multiply
    929,631.42x = 1,395,037.01 × 397,156.46
  4. Step 4: Simplify right side
    929,631.42x = 554,047,954,478.29
  5. Step 5: Solve for x
    x = 554,047,954,478.29/929,631.42
  6. Step 6: Final answer
    x = 595,986.69

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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.