Home / 589,085.20-883,044.60-289,320.40

Finding the Fourth Proportional to 589,085.20, 883,044.60 and 289,320.40

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Solution

The fourth proportional to 589,085.20, 883,044.60 and 289,320.40 is: 433,694.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,085.20 : 883,044.60 = 289,320.40 : x
  2. Step 2: Convert to fraction form
    589,085.20/883,044.60 = 289,320.40/x
  3. Step 3: Cross multiply
    589,085.20x = 883,044.60 × 289,320.40
  4. Step 4: Simplify right side
    589,085.20x = 255,482,816,889.84
  5. Step 5: Solve for x
    x = 255,482,816,889.84/589,085.20
  6. Step 6: Final answer
    x = 433,694.17

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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.