Home / 742,884.32-1,114,468.32-316,411.04

Finding the Fourth Proportional to 742,884.32, 1,114,468.32 and 316,411.04

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Solution

The fourth proportional to 742,884.32, 1,114,468.32 and 316,411.04 is: 474,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,884.32 : 1,114,468.32 = 316,411.04 : x
  2. Step 2: Convert to fraction form
    742,884.32/1,114,468.32 = 316,411.04/x
  3. Step 3: Cross multiply
    742,884.32x = 1,114,468.32 × 316,411.04
  4. Step 4: Simplify right side
    742,884.32x = 352,630,080,178.25
  5. Step 5: Solve for x
    x = 352,630,080,178.25/742,884.32
  6. Step 6: Final answer
    x = 474,676.97

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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.