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Finding the Fourth Proportional to 956,559.97, 1,320,112.68 and 526,840

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Solution

The fourth proportional to 956,559.97, 1,320,112.68 and 526,840 is: 727,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,559.97 : 1,320,112.68 = 526,840 : x
  2. Step 2: Convert to fraction form
    956,559.97/1,320,112.68 = 526,840/x
  3. Step 3: Cross multiply
    956,559.97x = 1,320,112.68 × 526,840
  4. Step 4: Simplify right side
    956,559.97x = 695,488,164,331.20
  5. Step 5: Solve for x
    x = 695,488,164,331.20/956,559.97
  6. Step 6: Final answer
    x = 727,072.20

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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.