Home / 955,313.55-1,318,335.10-525,620.43

Finding the Fourth Proportional to 955,313.55, 1,318,335.10 and 525,620.43

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Solution

The fourth proportional to 955,313.55, 1,318,335.10 and 525,620.43 is: 725,357.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,313.55 : 1,318,335.10 = 525,620.43 : x
  2. Step 2: Convert to fraction form
    955,313.55/1,318,335.10 = 525,620.43/x
  3. Step 3: Cross multiply
    955,313.55x = 1,318,335.10 × 525,620.43
  4. Step 4: Simplify right side
    955,313.55x = 692,943,860,832.04
  5. Step 5: Solve for x
    x = 692,943,860,832.04/955,313.55
  6. Step 6: Final answer
    x = 725,357.51

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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.