Home / 727,017.12-1,003,449.06-471,925.44

Finding the Fourth Proportional to 727,017.12, 1,003,449.06 and 471,925.44

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Solution

The fourth proportional to 727,017.12, 1,003,449.06 and 471,925.44 is: 651,364.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,017.12 : 1,003,449.06 = 471,925.44 : x
  2. Step 2: Convert to fraction form
    727,017.12/1,003,449.06 = 471,925.44/x
  3. Step 3: Cross multiply
    727,017.12x = 1,003,449.06 × 471,925.44
  4. Step 4: Simplify right side
    727,017.12x = 473,553,139,158.09
  5. Step 5: Solve for x
    x = 473,553,139,158.09/727,017.12
  6. Step 6: Final answer
    x = 651,364.49

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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.