Home / 916,188.24-1,264,197.20-523,715.60

Finding the Fourth Proportional to 916,188.24, 1,264,197.20 and 523,715.60

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Solution

The fourth proportional to 916,188.24, 1,264,197.20 and 523,715.60 is: 722,646.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,188.24 : 1,264,197.20 = 523,715.60 : x
  2. Step 2: Convert to fraction form
    916,188.24/1,264,197.20 = 523,715.60/x
  3. Step 3: Cross multiply
    916,188.24x = 1,264,197.20 × 523,715.60
  4. Step 4: Simplify right side
    916,188.24x = 662,079,795,116.32
  5. Step 5: Solve for x
    x = 662,079,795,116.32/916,188.24
  6. Step 6: Final answer
    x = 722,646.03

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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.