Home / 577,070.65-865,623.66-197,986.11

Finding the Fourth Proportional to 577,070.65, 865,623.66 and 197,986.11

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Solution

The fourth proportional to 577,070.65, 865,623.66 and 197,986.11 is: 296,985.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,070.65 : 865,623.66 = 197,986.11 : x
  2. Step 2: Convert to fraction form
    577,070.65/865,623.66 = 197,986.11/x
  3. Step 3: Cross multiply
    577,070.65x = 865,623.66 × 197,986.11
  4. Step 4: Simplify right side
    577,070.65x = 171,381,461,167.36
  5. Step 5: Solve for x
    x = 171,381,461,167.36/577,070.65
  6. Step 6: Final answer
    x = 296,985.23

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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.