Home / 943,409.16-1,301,893.30-513,689.16

Finding the Fourth Proportional to 943,409.16, 1,301,893.30 and 513,689.16

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Solution

The fourth proportional to 943,409.16, 1,301,893.30 and 513,689.16 is: 708,884.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,409.16 : 1,301,893.30 = 513,689.16 : x
  2. Step 2: Convert to fraction form
    943,409.16/1,301,893.30 = 513,689.16/x
  3. Step 3: Cross multiply
    943,409.16x = 1,301,893.30 × 513,689.16
  4. Step 4: Simplify right side
    943,409.16x = 668,768,475,686.63
  5. Step 5: Solve for x
    x = 668,768,475,686.63/943,409.16
  6. Step 6: Final answer
    x = 708,884.87

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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.