Home / 527,256.27-727,686.09-323,271.14

Finding the Fourth Proportional to 527,256.27, 727,686.09 and 323,271.14

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Solution

The fourth proportional to 527,256.27, 727,686.09 and 323,271.14 is: 446,158.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,256.27 : 727,686.09 = 323,271.14 : x
  2. Step 2: Convert to fraction form
    527,256.27/727,686.09 = 323,271.14/x
  3. Step 3: Cross multiply
    527,256.27x = 727,686.09 × 323,271.14
  4. Step 4: Simplify right side
    527,256.27x = 235,239,908,238.01
  5. Step 5: Solve for x
    x = 235,239,908,238.01/527,256.27
  6. Step 6: Final answer
    x = 446,158.58

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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.