Home / 786,095.60-1,084,638.60-500,036

Finding the Fourth Proportional to 786,095.60, 1,084,638.60 and 500,036

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Solution

The fourth proportional to 786,095.60, 1,084,638.60 and 500,036 is: 689,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,095.60 : 1,084,638.60 = 500,036 : x
  2. Step 2: Convert to fraction form
    786,095.60/1,084,638.60 = 500,036/x
  3. Step 3: Cross multiply
    786,095.60x = 1,084,638.60 × 500,036
  4. Step 4: Simplify right side
    786,095.60x = 542,358,346,989.60
  5. Step 5: Solve for x
    x = 542,358,346,989.60/786,095.60
  6. Step 6: Final answer
    x = 689,939.43

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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.