Home / 955,122.96-1,318,072.72-525,435.76

Finding the Fourth Proportional to 955,122.96, 1,318,072.72 and 525,435.76

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Solution

The fourth proportional to 955,122.96, 1,318,072.72 and 525,435.76 is: 725,103.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,122.96 : 1,318,072.72 = 525,435.76 : x
  2. Step 2: Convert to fraction form
    955,122.96/1,318,072.72 = 525,435.76/x
  3. Step 3: Cross multiply
    955,122.96x = 1,318,072.72 × 525,435.76
  4. Step 4: Simplify right side
    955,122.96x = 692,562,541,368.47
  5. Step 5: Solve for x
    x = 692,562,541,368.47/955,122.96
  6. Step 6: Final answer
    x = 725,103.02

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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.