Home / 955,600.73-1,318,728.23-525,880.86

Finding the Fourth Proportional to 955,600.73, 1,318,728.23 and 525,880.86

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Solution

The fourth proportional to 955,600.73, 1,318,728.23 and 525,880.86 is: 725,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,600.73 : 1,318,728.23 = 525,880.86 : x
  2. Step 2: Convert to fraction form
    955,600.73/1,318,728.23 = 525,880.86/x
  3. Step 3: Cross multiply
    955,600.73x = 1,318,728.23 × 525,880.86
  4. Step 4: Simplify right side
    955,600.73x = 693,493,932,314.63
  5. Step 5: Solve for x
    x = 693,493,932,314.63/955,600.73
  6. Step 6: Final answer
    x = 725,715.16

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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.