Home / 654,623.66-903,411.27-364,236.84

Finding the Fourth Proportional to 654,623.66, 903,411.27 and 364,236.84

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Solution

The fourth proportional to 654,623.66, 903,411.27 and 364,236.84 is: 502,663.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,623.66 : 903,411.27 = 364,236.84 : x
  2. Step 2: Convert to fraction form
    654,623.66/903,411.27 = 364,236.84/x
  3. Step 3: Cross multiply
    654,623.66x = 903,411.27 × 364,236.84
  4. Step 4: Simplify right side
    654,623.66x = 329,055,666,205.19
  5. Step 5: Solve for x
    x = 329,055,666,205.19/654,623.66
  6. Step 6: Final answer
    x = 502,663.88

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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.