Home / 377,693.16-521,184.72-216,511.20

Finding the Fourth Proportional to 377,693.16, 521,184.72 and 216,511.20

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Solution

The fourth proportional to 377,693.16, 521,184.72 and 216,511.20 is: 298,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,693.16 : 521,184.72 = 216,511.20 : x
  2. Step 2: Convert to fraction form
    377,693.16/521,184.72 = 216,511.20/x
  3. Step 3: Cross multiply
    377,693.16x = 521,184.72 × 216,511.20
  4. Step 4: Simplify right side
    377,693.16x = 112,842,329,148.86
  5. Step 5: Solve for x
    x = 112,842,329,148.86/377,693.16
  6. Step 6: Final answer
    x = 298,767.20

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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.