Home / 349,236.20-526,187.93-315,541.35

Finding the Fourth Proportional to 349,236.20, 526,187.93 and 315,541.35

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Solution

The fourth proportional to 349,236.20, 526,187.93 and 315,541.35 is: 475,420.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,236.20 : 526,187.93 = 315,541.35 : x
  2. Step 2: Convert to fraction form
    349,236.20/526,187.93 = 315,541.35/x
  3. Step 3: Cross multiply
    349,236.20x = 526,187.93 × 315,541.35
  4. Step 4: Simplify right side
    349,236.20x = 166,034,051,101.38
  5. Step 5: Solve for x
    x = 166,034,051,101.38/349,236.20
  6. Step 6: Final answer
    x = 475,420.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.