Home / 507,337.08-699,312.11-343,943.61

Finding the Fourth Proportional to 507,337.08, 699,312.11 and 343,943.61

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Solution

The fourth proportional to 507,337.08, 699,312.11 and 343,943.61 is: 474,090.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,337.08 : 699,312.11 = 343,943.61 : x
  2. Step 2: Convert to fraction form
    507,337.08/699,312.11 = 343,943.61/x
  3. Step 3: Cross multiply
    507,337.08x = 699,312.11 × 343,943.61
  4. Step 4: Simplify right side
    507,337.08x = 240,523,931,630.12
  5. Step 5: Solve for x
    x = 240,523,931,630.12/507,337.08
  6. Step 6: Final answer
    x = 474,090.98

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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.