Home / 916,137.02-1,374,212.82-376,254.20

Finding the Fourth Proportional to 916,137.02, 1,374,212.82 and 376,254.20

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Solution

The fourth proportional to 916,137.02, 1,374,212.82 and 376,254.20 is: 564,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,137.02 : 1,374,212.82 = 376,254.20 : x
  2. Step 2: Convert to fraction form
    916,137.02/1,374,212.82 = 376,254.20/x
  3. Step 3: Cross multiply
    916,137.02x = 1,374,212.82 × 376,254.20
  4. Step 4: Simplify right side
    916,137.02x = 517,053,345,218.84
  5. Step 5: Solve for x
    x = 517,053,345,218.84/916,137.02
  6. Step 6: Final answer
    x = 564,384.29

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.