Home / 934,136.20-1,401,009.90-260,043.40

Finding the Fourth Proportional to 934,136.20, 1,401,009.90 and 260,043.40

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Solution

The fourth proportional to 934,136.20, 1,401,009.90 and 260,043.40 is: 390,010.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,136.20 : 1,401,009.90 = 260,043.40 : x
  2. Step 2: Convert to fraction form
    934,136.20/1,401,009.90 = 260,043.40/x
  3. Step 3: Cross multiply
    934,136.20x = 1,401,009.90 × 260,043.40
  4. Step 4: Simplify right side
    934,136.20x = 364,323,377,829.66
  5. Step 5: Solve for x
    x = 364,323,377,829.66/934,136.20
  6. Step 6: Final answer
    x = 390,010.98

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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.