Home / 380,206.45-524,740.32-219,030.49

Finding the Fourth Proportional to 380,206.45, 524,740.32 and 219,030.49

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Solution

The fourth proportional to 380,206.45, 524,740.32 and 219,030.49 is: 302,294.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,206.45 : 524,740.32 = 219,030.49 : x
  2. Step 2: Convert to fraction form
    380,206.45/524,740.32 = 219,030.49/x
  3. Step 3: Cross multiply
    380,206.45x = 524,740.32 × 219,030.49
  4. Step 4: Simplify right side
    380,206.45x = 114,934,129,412.36
  5. Step 5: Solve for x
    x = 114,934,129,412.36/380,206.45
  6. Step 6: Final answer
    x = 302,294.00

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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.