Home / 525,848.40-788,772.60-188,888.40

Finding the Fourth Proportional to 525,848.40, 788,772.60 and 188,888.40

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Solution

The fourth proportional to 525,848.40, 788,772.60 and 188,888.40 is: 283,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,848.40 : 788,772.60 = 188,888.40 : x
  2. Step 2: Convert to fraction form
    525,848.40/788,772.60 = 188,888.40/x
  3. Step 3: Cross multiply
    525,848.40x = 788,772.60 × 188,888.40
  4. Step 4: Simplify right side
    525,848.40x = 148,989,994,377.84
  5. Step 5: Solve for x
    x = 148,989,994,377.84/525,848.40
  6. Step 6: Final answer
    x = 283,332.60

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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.