Home / 934,111.20-1,400,972.40-260,018.40

Finding the Fourth Proportional to 934,111.20, 1,400,972.40 and 260,018.40

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Solution

The fourth proportional to 934,111.20, 1,400,972.40 and 260,018.40 is: 389,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,111.20 : 1,400,972.40 = 260,018.40 : x
  2. Step 2: Convert to fraction form
    934,111.20/1,400,972.40 = 260,018.40/x
  3. Step 3: Cross multiply
    934,111.20x = 1,400,972.40 × 260,018.40
  4. Step 4: Simplify right side
    934,111.20x = 364,278,601,892.16
  5. Step 5: Solve for x
    x = 364,278,601,892.16/934,111.20
  6. Step 6: Final answer
    x = 389,973.49

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Double scale
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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.