Home / 943,404.48-1,301,879.52-513,689.76

Finding the Fourth Proportional to 943,404.48, 1,301,879.52 and 513,689.76

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Solution

The fourth proportional to 943,404.48, 1,301,879.52 and 513,689.76 is: 708,881.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,404.48 : 1,301,879.52 = 513,689.76 : x
  2. Step 2: Convert to fraction form
    943,404.48/1,301,879.52 = 513,689.76/x
  3. Step 3: Cross multiply
    943,404.48x = 1,301,879.52 × 513,689.76
  4. Step 4: Simplify right side
    943,404.48x = 668,762,178,177.72
  5. Step 5: Solve for x
    x = 668,762,178,177.72/943,404.48
  6. Step 6: Final answer
    x = 708,881.71

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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.