Home / 377,606.12-521,111.22-207,856.04

Finding the Fourth Proportional to 377,606.12, 521,111.22 and 207,856.04

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Solution

The fourth proportional to 377,606.12, 521,111.22 and 207,856.04 is: 286,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,606.12 : 521,111.22 = 207,856.04 : x
  2. Step 2: Convert to fraction form
    377,606.12/521,111.22 = 207,856.04/x
  3. Step 3: Cross multiply
    377,606.12x = 521,111.22 × 207,856.04
  4. Step 4: Simplify right side
    377,606.12x = 108,316,114,588.77
  5. Step 5: Solve for x
    x = 108,316,114,588.77/377,606.12
  6. Step 6: Final answer
    x = 286,849.47

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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.