Home / 538,962.80-808,444.20-183,923.60

Finding the Fourth Proportional to 538,962.80, 808,444.20 and 183,923.60

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Solution

The fourth proportional to 538,962.80, 808,444.20 and 183,923.60 is: 275,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,962.80 : 808,444.20 = 183,923.60 : x
  2. Step 2: Convert to fraction form
    538,962.80/808,444.20 = 183,923.60/x
  3. Step 3: Cross multiply
    538,962.80x = 808,444.20 × 183,923.60
  4. Step 4: Simplify right side
    538,962.80x = 148,691,967,663.12
  5. Step 5: Solve for x
    x = 148,691,967,663.12/538,962.80
  6. Step 6: Final answer
    x = 275,885.40

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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.