Home / 638,054.23-880,554.05-351,574.24

Finding the Fourth Proportional to 638,054.23, 880,554.05 and 351,574.24

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Solution

The fourth proportional to 638,054.23, 880,554.05 and 351,574.24 is: 485,194.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,054.23 : 880,554.05 = 351,574.24 : x
  2. Step 2: Convert to fraction form
    638,054.23/880,554.05 = 351,574.24/x
  3. Step 3: Cross multiply
    638,054.23x = 880,554.05 × 351,574.24
  4. Step 4: Simplify right side
    638,054.23x = 309,580,117,383.84
  5. Step 5: Solve for x
    x = 309,580,117,383.84/638,054.23
  6. Step 6: Final answer
    x = 485,194.06

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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.