Home / 742,531.25-1,114,265.42-316,066.41

Finding the Fourth Proportional to 742,531.25, 1,114,265.42 and 316,066.41

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Solution

The fourth proportional to 742,531.25, 1,114,265.42 and 316,066.41 is: 474,299.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,531.25 : 1,114,265.42 = 316,066.41 : x
  2. Step 2: Convert to fraction form
    742,531.25/1,114,265.42 = 316,066.41/x
  3. Step 3: Cross multiply
    742,531.25x = 1,114,265.42 × 316,066.41
  4. Step 4: Simplify right side
    742,531.25x = 352,181,869,506.21
  5. Step 5: Solve for x
    x = 352,181,869,506.21/742,531.25
  6. Step 6: Final answer
    x = 474,299.06

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Double scale
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Similar ratio
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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.