Home / 527,964.93-727,886.76-419,429.38

Finding the Fourth Proportional to 527,964.93, 727,886.76 and 419,429.38

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Solution

The fourth proportional to 527,964.93, 727,886.76 and 419,429.38 is: 578,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,964.93 : 727,886.76 = 419,429.38 : x
  2. Step 2: Convert to fraction form
    527,964.93/727,886.76 = 419,429.38/x
  3. Step 3: Cross multiply
    527,964.93x = 727,886.76 × 419,429.38
  4. Step 4: Simplify right side
    527,964.93x = 305,297,092,457.01
  5. Step 5: Solve for x
    x = 305,297,092,457.01/527,964.93
  6. Step 6: Final answer
    x = 578,252.60

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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.