Home / 1,181,356.50-1,630,271.97-644,812.50

Finding the Fourth Proportional to 1,181,356.50, 1,630,271.97 and 644,812.50

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Solution

The fourth proportional to 1,181,356.50, 1,630,271.97 and 644,812.50 is: 889,841.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,356.50 : 1,630,271.97 = 644,812.50 : x
  2. Step 2: Convert to fraction form
    1,181,356.50/1,630,271.97 = 644,812.50/x
  3. Step 3: Cross multiply
    1,181,356.50x = 1,630,271.97 × 644,812.50
  4. Step 4: Simplify right side
    1,181,356.50x = 1,051,219,744,655.63
  5. Step 5: Solve for x
    x = 1,051,219,744,655.63/1,181,356.50
  6. Step 6: Final answer
    x = 889,841.25

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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.