Home / 589,621.70-885,088.65-323,901.20

Finding the Fourth Proportional to 589,621.70, 885,088.65 and 323,901.20

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Solution

The fourth proportional to 589,621.70, 885,088.65 and 323,901.20 is: 486,212.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,621.70 : 885,088.65 = 323,901.20 : x
  2. Step 2: Convert to fraction form
    589,621.70/885,088.65 = 323,901.20/x
  3. Step 3: Cross multiply
    589,621.70x = 885,088.65 × 323,901.20
  4. Step 4: Simplify right side
    589,621.70x = 286,681,275,841.38
  5. Step 5: Solve for x
    x = 286,681,275,841.38/589,621.70
  6. Step 6: Final answer
    x = 486,212.22

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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.