Home / 540,282.24-745,586.64-298,581.60

Finding the Fourth Proportional to 540,282.24, 745,586.64 and 298,581.60

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Solution

The fourth proportional to 540,282.24, 745,586.64 and 298,581.60 is: 412,041.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,282.24 : 745,586.64 = 298,581.60 : x
  2. Step 2: Convert to fraction form
    540,282.24/745,586.64 = 298,581.60/x
  3. Step 3: Cross multiply
    540,282.24x = 745,586.64 × 298,581.60
  4. Step 4: Simplify right side
    540,282.24x = 222,618,451,909.82
  5. Step 5: Solve for x
    x = 222,618,451,909.82/540,282.24
  6. Step 6: Final answer
    x = 412,041.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.