Home / 906,563.41-1,251,065.34-493,103.51

Finding the Fourth Proportional to 906,563.41, 1,251,065.34 and 493,103.51

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Solution

The fourth proportional to 906,563.41, 1,251,065.34 and 493,103.51 is: 680,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,563.41 : 1,251,065.34 = 493,103.51 : x
  2. Step 2: Convert to fraction form
    906,563.41/1,251,065.34 = 493,103.51/x
  3. Step 3: Cross multiply
    906,563.41x = 1,251,065.34 × 493,103.51
  4. Step 4: Simplify right side
    906,563.41x = 616,904,710,393.34
  5. Step 5: Solve for x
    x = 616,904,710,393.34/906,563.41
  6. Step 6: Final answer
    x = 680,487.11

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Double scale
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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.