Home / 772,498.88-1,064,714.40-513,913.28

Finding the Fourth Proportional to 772,498.88, 1,064,714.40 and 513,913.28

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Solution

The fourth proportional to 772,498.88, 1,064,714.40 and 513,913.28 is: 708,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,498.88 : 1,064,714.40 = 513,913.28 : x
  2. Step 2: Convert to fraction form
    772,498.88/1,064,714.40 = 513,913.28/x
  3. Step 3: Cross multiply
    772,498.88x = 1,064,714.40 × 513,913.28
  4. Step 4: Simplify right side
    772,498.88x = 547,170,869,567.23
  5. Step 5: Solve for x
    x = 547,170,869,567.23/772,498.88
  6. Step 6: Final answer
    x = 708,312.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.