Home / 349,426.64-524,412.12-243,556.40

Finding the Fourth Proportional to 349,426.64, 524,412.12 and 243,556.40

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Solution

The fourth proportional to 349,426.64, 524,412.12 and 243,556.40 is: 365,524.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,426.64 : 524,412.12 = 243,556.40 : x
  2. Step 2: Convert to fraction form
    349,426.64/524,412.12 = 243,556.40/x
  3. Step 3: Cross multiply
    349,426.64x = 524,412.12 × 243,556.40
  4. Step 4: Simplify right side
    349,426.64x = 127,723,928,063.57
  5. Step 5: Solve for x
    x = 127,723,928,063.57/349,426.64
  6. Step 6: Final answer
    x = 365,524.30

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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.