Home / 536,623.60-804,935.40-402,779.20

Finding the Fourth Proportional to 536,623.60, 804,935.40 and 402,779.20

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Solution

The fourth proportional to 536,623.60, 804,935.40 and 402,779.20 is: 604,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,623.60 : 804,935.40 = 402,779.20 : x
  2. Step 2: Convert to fraction form
    536,623.60/804,935.40 = 402,779.20/x
  3. Step 3: Cross multiply
    536,623.60x = 804,935.40 × 402,779.20
  4. Step 4: Simplify right side
    536,623.60x = 324,211,236,463.68
  5. Step 5: Solve for x
    x = 324,211,236,463.68/536,623.60
  6. Step 6: Final answer
    x = 604,168.80

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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.