Home / 839,186.60-1,258,788.69-671,771.15

Finding the Fourth Proportional to 839,186.60, 1,258,788.69 and 671,771.15

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Solution

The fourth proportional to 839,186.60, 1,258,788.69 and 671,771.15 is: 1,007,663.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,186.60 : 1,258,788.69 = 671,771.15 : x
  2. Step 2: Convert to fraction form
    839,186.60/1,258,788.69 = 671,771.15/x
  3. Step 3: Cross multiply
    839,186.60x = 1,258,788.69 × 671,771.15
  4. Step 4: Simplify right side
    839,186.60x = 845,617,925,888.29
  5. Step 5: Solve for x
    x = 845,617,925,888.29/839,186.60
  6. Step 6: Final answer
    x = 1,007,663.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.