Home / 461,306.16-636,646.32-289,251.36

Finding the Fourth Proportional to 461,306.16, 636,646.32 and 289,251.36

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Solution

The fourth proportional to 461,306.16, 636,646.32 and 289,251.36 is: 399,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,306.16 : 636,646.32 = 289,251.36 : x
  2. Step 2: Convert to fraction form
    461,306.16/636,646.32 = 289,251.36/x
  3. Step 3: Cross multiply
    461,306.16x = 636,646.32 × 289,251.36
  4. Step 4: Simplify right side
    461,306.16x = 184,150,813,899.00
  5. Step 5: Solve for x
    x = 184,150,813,899.00/461,306.16
  6. Step 6: Final answer
    x = 399,194.35

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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.