Home / 350,101.60-524,461.20-209,442.40

Finding the Fourth Proportional to 350,101.60, 524,461.20 and 209,442.40

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Solution

The fourth proportional to 350,101.60, 524,461.20 and 209,442.40 is: 313,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,101.60 : 524,461.20 = 209,442.40 : x
  2. Step 2: Convert to fraction form
    350,101.60/524,461.20 = 209,442.40/x
  3. Step 3: Cross multiply
    350,101.60x = 524,461.20 × 209,442.40
  4. Step 4: Simplify right side
    350,101.60x = 109,844,412,434.88
  5. Step 5: Solve for x
    x = 109,844,412,434.88/350,101.60
  6. Step 6: Final answer
    x = 313,750.10

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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.