Home / 954,817.40-1,432,226.10-289,969.40

Finding the Fourth Proportional to 954,817.40, 1,432,226.10 and 289,969.40

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Solution

The fourth proportional to 954,817.40, 1,432,226.10 and 289,969.40 is: 434,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,817.40 : 1,432,226.10 = 289,969.40 : x
  2. Step 2: Convert to fraction form
    954,817.40/1,432,226.10 = 289,969.40/x
  3. Step 3: Cross multiply
    954,817.40x = 1,432,226.10 × 289,969.40
  4. Step 4: Simplify right side
    954,817.40x = 415,301,742,881.34
  5. Step 5: Solve for x
    x = 415,301,742,881.34/954,817.40
  6. Step 6: Final answer
    x = 434,954.10

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Half scale
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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.