Home / 1,653,690.59-2,479,570.28-641,630.51

Finding the Fourth Proportional to 1,653,690.59, 2,479,570.28 and 641,630.51

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Solution

The fourth proportional to 1,653,690.59, 2,479,570.28 and 641,630.51 is: 962,071.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,690.59 : 2,479,570.28 = 641,630.51 : x
  2. Step 2: Convert to fraction form
    1,653,690.59/2,479,570.28 = 641,630.51/x
  3. Step 3: Cross multiply
    1,653,690.59x = 2,479,570.28 × 641,630.51
  4. Step 4: Simplify right side
    1,653,690.59x = 1,590,967,943,337.24
  5. Step 5: Solve for x
    x = 1,590,967,943,337.24/1,653,690.59
  6. Step 6: Final answer
    x = 962,071.11

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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.