Home / 955,061.12-1,318,015.68-525,374.24

Finding the Fourth Proportional to 955,061.12, 1,318,015.68 and 525,374.24

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Solution

The fourth proportional to 955,061.12, 1,318,015.68 and 525,374.24 is: 725,033.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,061.12 : 1,318,015.68 = 525,374.24 : x
  2. Step 2: Convert to fraction form
    955,061.12/1,318,015.68 = 525,374.24/x
  3. Step 3: Cross multiply
    955,061.12x = 1,318,015.68 × 525,374.24
  4. Step 4: Simplify right side
    955,061.12x = 692,451,486,188.08
  5. Step 5: Solve for x
    x = 692,451,486,188.08/955,061.12
  6. Step 6: Final answer
    x = 725,033.69

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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.