Home / 403,338.24-556,853.76-267,490.56

Finding the Fourth Proportional to 403,338.24, 556,853.76 and 267,490.56

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Solution

The fourth proportional to 403,338.24, 556,853.76 and 267,490.56 is: 369,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,338.24 : 556,853.76 = 267,490.56 : x
  2. Step 2: Convert to fraction form
    403,338.24/556,853.76 = 267,490.56/x
  3. Step 3: Cross multiply
    403,338.24x = 556,853.76 × 267,490.56
  4. Step 4: Simplify right side
    403,338.24x = 148,953,124,100.51
  5. Step 5: Solve for x
    x = 148,953,124,100.51/403,338.24
  6. Step 6: Final answer
    x = 369,300.77

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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.