Home / 380,210.60-524,807.52-219,173.36

Finding the Fourth Proportional to 380,210.60, 524,807.52 and 219,173.36

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Solution

The fourth proportional to 380,210.60, 524,807.52 and 219,173.36 is: 302,526.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,210.60 : 524,807.52 = 219,173.36 : x
  2. Step 2: Convert to fraction form
    380,210.60/524,807.52 = 219,173.36/x
  3. Step 3: Cross multiply
    380,210.60x = 524,807.52 × 219,173.36
  4. Step 4: Simplify right side
    380,210.60x = 115,023,827,511.67
  5. Step 5: Solve for x
    x = 115,023,827,511.67/380,210.60
  6. Step 6: Final answer
    x = 302,526.62

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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.