Home / 1,181,605.52-1,630,607.28-645,061.52

Finding the Fourth Proportional to 1,181,605.52, 1,630,607.28 and 645,061.52

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Solution

The fourth proportional to 1,181,605.52, 1,630,607.28 and 645,061.52 is: 890,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,605.52 : 1,630,607.28 = 645,061.52 : x
  2. Step 2: Convert to fraction form
    1,181,605.52/1,630,607.28 = 645,061.52/x
  3. Step 3: Cross multiply
    1,181,605.52x = 1,630,607.28 × 645,061.52
  4. Step 4: Simplify right side
    1,181,605.52x = 1,051,842,010,559.87
  5. Step 5: Solve for x
    x = 1,051,842,010,559.87/1,181,605.52
  6. Step 6: Final answer
    x = 890,180.35

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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.