Home / 772,612.98-1,159,252.47-417,876.72

Finding the Fourth Proportional to 772,612.98, 1,159,252.47 and 417,876.72

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Solution

The fourth proportional to 772,612.98, 1,159,252.47 and 417,876.72 is: 626,995.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,612.98 : 1,159,252.47 = 417,876.72 : x
  2. Step 2: Convert to fraction form
    772,612.98/1,159,252.47 = 417,876.72/x
  3. Step 3: Cross multiply
    772,612.98x = 1,159,252.47 × 417,876.72
  4. Step 4: Simplify right side
    772,612.98x = 484,424,619,815.50
  5. Step 5: Solve for x
    x = 484,424,619,815.50/772,612.98
  6. Step 6: Final answer
    x = 626,995.19

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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.