Home / 525,931.60-788,897.40-231,019.60

Finding the Fourth Proportional to 525,931.60, 788,897.40 and 231,019.60

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Solution

The fourth proportional to 525,931.60, 788,897.40 and 231,019.60 is: 346,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,931.60 : 788,897.40 = 231,019.60 : x
  2. Step 2: Convert to fraction form
    525,931.60/788,897.40 = 231,019.60/x
  3. Step 3: Cross multiply
    525,931.60x = 788,897.40 × 231,019.60
  4. Step 4: Simplify right side
    525,931.60x = 182,250,761,789.04
  5. Step 5: Solve for x
    x = 182,250,761,789.04/525,931.60
  6. Step 6: Final answer
    x = 346,529.40

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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.