Home / 530,431.60-795,647.40-521,683.60

Finding the Fourth Proportional to 530,431.60, 795,647.40 and 521,683.60

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Solution

The fourth proportional to 530,431.60, 795,647.40 and 521,683.60 is: 782,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,431.60 : 795,647.40 = 521,683.60 : x
  2. Step 2: Convert to fraction form
    530,431.60/795,647.40 = 521,683.60/x
  3. Step 3: Cross multiply
    530,431.60x = 795,647.40 × 521,683.60
  4. Step 4: Simplify right side
    530,431.60x = 415,076,199,962.64
  5. Step 5: Solve for x
    x = 415,076,199,962.64/530,431.60
  6. Step 6: Final answer
    x = 782,525.40

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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.