Home / 1,079,083.60-1,619,937.60-546,330.40

Finding the Fourth Proportional to 1,079,083.60, 1,619,937.60 and 546,330.40

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Solution

The fourth proportional to 1,079,083.60, 1,619,937.60 and 546,330.40 is: 820,159.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,083.60 : 1,619,937.60 = 546,330.40 : x
  2. Step 2: Convert to fraction form
    1,079,083.60/1,619,937.60 = 546,330.40/x
  3. Step 3: Cross multiply
    1,079,083.60x = 1,619,937.60 × 546,330.40
  4. Step 4: Simplify right side
    1,079,083.60x = 885,021,156,983.04
  5. Step 5: Solve for x
    x = 885,021,156,983.04/1,079,083.60
  6. Step 6: Final answer
    x = 820,159.96

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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.