Home / 932,087.75-1,286,168.09-518,526.82

Finding the Fourth Proportional to 932,087.75, 1,286,168.09 and 518,526.82

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Solution

The fourth proportional to 932,087.75, 1,286,168.09 and 518,526.82 is: 715,504.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,087.75 : 1,286,168.09 = 518,526.82 : x
  2. Step 2: Convert to fraction form
    932,087.75/1,286,168.09 = 518,526.82/x
  3. Step 3: Cross multiply
    932,087.75x = 1,286,168.09 × 518,526.82
  4. Step 4: Simplify right side
    932,087.75x = 666,912,643,885.12
  5. Step 5: Solve for x
    x = 666,912,643,885.12/932,087.75
  6. Step 6: Final answer
    x = 715,504.14

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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.