Home / 712,003.64-1,068,743.57-476,988.62

Finding the Fourth Proportional to 712,003.64, 1,068,743.57 and 476,988.62

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Solution

The fourth proportional to 712,003.64, 1,068,743.57 and 476,988.62 is: 715,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,003.64 : 1,068,743.57 = 476,988.62 : x
  2. Step 2: Convert to fraction form
    712,003.64/1,068,743.57 = 476,988.62/x
  3. Step 3: Cross multiply
    712,003.64x = 1,068,743.57 × 476,988.62
  4. Step 4: Simplify right side
    712,003.64x = 509,778,512,859.51
  5. Step 5: Solve for x
    x = 509,778,512,859.51/712,003.64
  6. Step 6: Final answer
    x = 715,977.40

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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.