Home / 577,068.90-865,621.02-197,984.34

Finding the Fourth Proportional to 577,068.90, 865,621.02 and 197,984.34

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Solution

The fourth proportional to 577,068.90, 865,621.02 and 197,984.34 is: 296,982.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,068.90 : 865,621.02 = 197,984.34 : x
  2. Step 2: Convert to fraction form
    577,068.90/865,621.02 = 197,984.34/x
  3. Step 3: Cross multiply
    577,068.90x = 865,621.02 × 197,984.34
  4. Step 4: Simplify right side
    577,068.90x = 171,379,406,334.83
  5. Step 5: Solve for x
    x = 171,379,406,334.83/577,068.90
  6. Step 6: Final answer
    x = 296,982.57

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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.