Home / 742,893.60-1,114,340.40-181,928.10

Finding the Fourth Proportional to 742,893.60, 1,114,340.40 and 181,928.10

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Solution

The fourth proportional to 742,893.60, 1,114,340.40 and 181,928.10 is: 272,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,893.60 : 1,114,340.40 = 181,928.10 : x
  2. Step 2: Convert to fraction form
    742,893.60/1,114,340.40 = 181,928.10/x
  3. Step 3: Cross multiply
    742,893.60x = 1,114,340.40 × 181,928.10
  4. Step 4: Simplify right side
    742,893.60x = 202,729,831,725.24
  5. Step 5: Solve for x
    x = 202,729,831,725.24/742,893.60
  6. Step 6: Final answer
    x = 272,892.15

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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.