Home / 934,135.20-1,401,008.40-260,042.40

Finding the Fourth Proportional to 934,135.20, 1,401,008.40 and 260,042.40

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Solution

The fourth proportional to 934,135.20, 1,401,008.40 and 260,042.40 is: 390,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,135.20 : 1,401,008.40 = 260,042.40 : x
  2. Step 2: Convert to fraction form
    934,135.20/1,401,008.40 = 260,042.40/x
  3. Step 3: Cross multiply
    934,135.20x = 1,401,008.40 × 260,042.40
  4. Step 4: Simplify right side
    934,135.20x = 364,321,586,756.16
  5. Step 5: Solve for x
    x = 364,321,586,756.16/934,135.20
  6. Step 6: Final answer
    x = 390,009.48

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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.