Home / 765,846.98-1,057,158-602,076.20

Finding the Fourth Proportional to 765,846.98, 1,057,158 and 602,076.20

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Solution

The fourth proportional to 765,846.98, 1,057,158 and 602,076.20 is: 831,092.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,846.98 : 1,057,158 = 602,076.20 : x
  2. Step 2: Convert to fraction form
    765,846.98/1,057,158 = 602,076.20/x
  3. Step 3: Cross multiply
    765,846.98x = 1,057,158 × 602,076.20
  4. Step 4: Simplify right side
    765,846.98x = 636,489,671,439.60
  5. Step 5: Solve for x
    x = 636,489,671,439.60/765,846.98
  6. Step 6: Final answer
    x = 831,092.49

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.