Home / 761,552.45-1,141,955.46-312,151.08

Finding the Fourth Proportional to 761,552.45, 1,141,955.46 and 312,151.08

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Solution

The fourth proportional to 761,552.45, 1,141,955.46 and 312,151.08 is: 468,073.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,552.45 : 1,141,955.46 = 312,151.08 : x
  2. Step 2: Convert to fraction form
    761,552.45/1,141,955.46 = 312,151.08/x
  3. Step 3: Cross multiply
    761,552.45x = 1,141,955.46 × 312,151.08
  4. Step 4: Simplify right side
    761,552.45x = 356,462,630,150.90
  5. Step 5: Solve for x
    x = 356,462,630,150.90/761,552.45
  6. Step 6: Final answer
    x = 468,073.65

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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.