Home / 526,904.71-727,146.09-322,916.23

Finding the Fourth Proportional to 526,904.71, 727,146.09 and 322,916.23

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Solution

The fourth proportional to 526,904.71, 727,146.09 and 322,916.23 is: 445,635.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,904.71 : 727,146.09 = 322,916.23 : x
  2. Step 2: Convert to fraction form
    526,904.71/727,146.09 = 322,916.23/x
  3. Step 3: Cross multiply
    526,904.71x = 727,146.09 × 322,916.23
  4. Step 4: Simplify right side
    526,904.71x = 234,807,274,042.04
  5. Step 5: Solve for x
    x = 234,807,274,042.04/526,904.71
  6. Step 6: Final answer
    x = 445,635.18

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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.