Home / 526,928.49-727,297.56-343,623.97

Finding the Fourth Proportional to 526,928.49, 727,297.56 and 343,623.97

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Solution

The fourth proportional to 526,928.49, 727,297.56 and 343,623.97 is: 474,289.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,928.49 : 727,297.56 = 343,623.97 : x
  2. Step 2: Convert to fraction form
    526,928.49/727,297.56 = 343,623.97/x
  3. Step 3: Cross multiply
    526,928.49x = 727,297.56 × 343,623.97
  4. Step 4: Simplify right side
    526,928.49x = 249,916,874,881.19
  5. Step 5: Solve for x
    x = 249,916,874,881.19/526,928.49
  6. Step 6: Final answer
    x = 474,289.93

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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.