Home / 346,541.70-519,812.55-311,112.30

Finding the Fourth Proportional to 346,541.70, 519,812.55 and 311,112.30

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Solution

The fourth proportional to 346,541.70, 519,812.55 and 311,112.30 is: 466,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,541.70 : 519,812.55 = 311,112.30 : x
  2. Step 2: Convert to fraction form
    346,541.70/519,812.55 = 311,112.30/x
  3. Step 3: Cross multiply
    346,541.70x = 519,812.55 × 311,112.30
  4. Step 4: Simplify right side
    346,541.70x = 161,720,077,999.37
  5. Step 5: Solve for x
    x = 161,720,077,999.37/346,541.70
  6. Step 6: Final answer
    x = 466,668.45

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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.