Home / 401,986.23-555,000.57-249,186.93

Finding the Fourth Proportional to 401,986.23, 555,000.57 and 249,186.93

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Solution

The fourth proportional to 401,986.23, 555,000.57 and 249,186.93 is: 344,038.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,986.23 : 555,000.57 = 249,186.93 : x
  2. Step 2: Convert to fraction form
    401,986.23/555,000.57 = 249,186.93/x
  3. Step 3: Cross multiply
    401,986.23x = 555,000.57 × 249,186.93
  4. Step 4: Simplify right side
    401,986.23x = 138,298,888,186.55
  5. Step 5: Solve for x
    x = 138,298,888,186.55/401,986.23
  6. Step 6: Final answer
    x = 344,038.87

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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.