Home / 742,521.44-1,114,250.71-316,056.58

Finding the Fourth Proportional to 742,521.44, 1,114,250.71 and 316,056.58

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Solution

The fourth proportional to 742,521.44, 1,114,250.71 and 316,056.58 is: 474,284.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,521.44 : 1,114,250.71 = 316,056.58 : x
  2. Step 2: Convert to fraction form
    742,521.44/1,114,250.71 = 316,056.58/x
  3. Step 3: Cross multiply
    742,521.44x = 1,114,250.71 × 316,056.58
  4. Step 4: Simplify right side
    742,521.44x = 352,166,268,665.17
  5. Step 5: Solve for x
    x = 352,166,268,665.17/742,521.44
  6. Step 6: Final answer
    x = 474,284.31

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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.