Home / 637,736.26-880,042.83-396,013.65

Finding the Fourth Proportional to 637,736.26, 880,042.83 and 396,013.65

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Solution

The fourth proportional to 637,736.26, 880,042.83 and 396,013.65 is: 546,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,736.26 : 880,042.83 = 396,013.65 : x
  2. Step 2: Convert to fraction form
    637,736.26/880,042.83 = 396,013.65/x
  3. Step 3: Cross multiply
    637,736.26x = 880,042.83 × 396,013.65
  4. Step 4: Simplify right side
    637,736.26x = 348,508,973,264.63
  5. Step 5: Solve for x
    x = 348,508,973,264.63/637,736.26
  6. Step 6: Final answer
    x = 546,478.22

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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.