Home / 589,112.92-812,925.95-330,969.63

Finding the Fourth Proportional to 589,112.92, 812,925.95 and 330,969.63

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Solution

The fourth proportional to 589,112.92, 812,925.95 and 330,969.63 is: 456,710.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,112.92 : 812,925.95 = 330,969.63 : x
  2. Step 2: Convert to fraction form
    589,112.92/812,925.95 = 330,969.63/x
  3. Step 3: Cross multiply
    589,112.92x = 812,925.95 × 330,969.63
  4. Step 4: Simplify right side
    589,112.92x = 269,053,800,888.90
  5. Step 5: Solve for x
    x = 269,053,800,888.90/589,112.92
  6. Step 6: Final answer
    x = 456,710.07

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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.