Home / 525,923.40-788,885.10-193,456.20

Finding the Fourth Proportional to 525,923.40, 788,885.10 and 193,456.20

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Solution

The fourth proportional to 525,923.40, 788,885.10 and 193,456.20 is: 290,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,923.40 : 788,885.10 = 193,456.20 : x
  2. Step 2: Convert to fraction form
    525,923.40/788,885.10 = 193,456.20/x
  3. Step 3: Cross multiply
    525,923.40x = 788,885.10 × 193,456.20
  4. Step 4: Simplify right side
    525,923.40x = 152,614,713,682.62
  5. Step 5: Solve for x
    x = 152,614,713,682.62/525,923.40
  6. Step 6: Final answer
    x = 290,184.30

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