Home / 347,727.30-521,590.95-189,869.64

Finding the Fourth Proportional to 347,727.30, 521,590.95 and 189,869.64

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Solution

The fourth proportional to 347,727.30, 521,590.95 and 189,869.64 is: 284,804.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,727.30 : 521,590.95 = 189,869.64 : x
  2. Step 2: Convert to fraction form
    347,727.30/521,590.95 = 189,869.64/x
  3. Step 3: Cross multiply
    347,727.30x = 521,590.95 × 189,869.64
  4. Step 4: Simplify right side
    347,727.30x = 99,034,285,903.76
  5. Step 5: Solve for x
    x = 99,034,285,903.76/347,727.30
  6. Step 6: Final answer
    x = 284,804.46

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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.