Home / 460,934.96-636,063.72-256,979.12

Finding the Fourth Proportional to 460,934.96, 636,063.72 and 256,979.12

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Solution

The fourth proportional to 460,934.96, 636,063.72 and 256,979.12 is: 354,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,934.96 : 636,063.72 = 256,979.12 : x
  2. Step 2: Convert to fraction form
    460,934.96/636,063.72 = 256,979.12/x
  3. Step 3: Cross multiply
    460,934.96x = 636,063.72 × 256,979.12
  4. Step 4: Simplify right side
    460,934.96x = 163,455,095,029.53
  5. Step 5: Solve for x
    x = 163,455,095,029.53/460,934.96
  6. Step 6: Final answer
    x = 354,616.40

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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.