Home / 1,566,344.45-2,349,518.72-429,116.63

Finding the Fourth Proportional to 1,566,344.45, 2,349,518.72 and 429,116.63

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Solution

The fourth proportional to 1,566,344.45, 2,349,518.72 and 429,116.63 is: 643,675.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,344.45 : 2,349,518.72 = 429,116.63 : x
  2. Step 2: Convert to fraction form
    1,566,344.45/2,349,518.72 = 429,116.63/x
  3. Step 3: Cross multiply
    1,566,344.45x = 2,349,518.72 × 429,116.63
  4. Step 4: Simplify right side
    1,566,344.45x = 1,008,217,541,355.14
  5. Step 5: Solve for x
    x = 1,008,217,541,355.14/1,566,344.45
  6. Step 6: Final answer
    x = 643,675.50

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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.