Home / 540,730.59-811,583.40-288,221.39

Finding the Fourth Proportional to 540,730.59, 811,583.40 and 288,221.39

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Solution

The fourth proportional to 540,730.59, 811,583.40 and 288,221.39 is: 432,591.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,730.59 : 811,583.40 = 288,221.39 : x
  2. Step 2: Convert to fraction form
    540,730.59/811,583.40 = 288,221.39/x
  3. Step 3: Cross multiply
    540,730.59x = 811,583.40 × 288,221.39
  4. Step 4: Simplify right side
    540,730.59x = 233,915,691,591.01
  5. Step 5: Solve for x
    x = 233,915,691,591.01/540,730.59
  6. Step 6: Final answer
    x = 432,591.93

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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.