Home / 495,200.56-683,379.63-291,260.11

Finding the Fourth Proportional to 495,200.56, 683,379.63 and 291,260.11

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Solution

The fourth proportional to 495,200.56, 683,379.63 and 291,260.11 is: 401,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,200.56 : 683,379.63 = 291,260.11 : x
  2. Step 2: Convert to fraction form
    495,200.56/683,379.63 = 291,260.11/x
  3. Step 3: Cross multiply
    495,200.56x = 683,379.63 × 291,260.11
  4. Step 4: Simplify right side
    495,200.56x = 199,041,221,332.36
  5. Step 5: Solve for x
    x = 199,041,221,332.36/495,200.56
  6. Step 6: Final answer
    x = 401,940.63

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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.