Home / 525,848.40-788,772.60-193,381.20

Finding the Fourth Proportional to 525,848.40, 788,772.60 and 193,381.20

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Solution

The fourth proportional to 525,848.40, 788,772.60 and 193,381.20 is: 290,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,848.40 : 788,772.60 = 193,381.20 : x
  2. Step 2: Convert to fraction form
    525,848.40/788,772.60 = 193,381.20/x
  3. Step 3: Cross multiply
    525,848.40x = 788,772.60 × 193,381.20
  4. Step 4: Simplify right side
    525,848.40x = 152,533,791,915.12
  5. Step 5: Solve for x
    x = 152,533,791,915.12/525,848.40
  6. Step 6: Final answer
    x = 290,071.80

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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.