Home / 623,436.41-860,325.00-351,501.90

Finding the Fourth Proportional to 623,436.41, 860,325.00 and 351,501.90

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Solution

The fourth proportional to 623,436.41, 860,325.00 and 351,501.90 is: 485,062.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,436.41 : 860,325.00 = 351,501.90 : x
  2. Step 2: Convert to fraction form
    623,436.41/860,325.00 = 351,501.90/x
  3. Step 3: Cross multiply
    623,436.41x = 860,325.00 × 351,501.90
  4. Step 4: Simplify right side
    623,436.41x = 302,405,867,573.15
  5. Step 5: Solve for x
    x = 302,405,867,573.15/623,436.41
  6. Step 6: Final answer
    x = 485,062.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.