Home / 371,740.93-512,985.76-210,592.69

Finding the Fourth Proportional to 371,740.93, 512,985.76 and 210,592.69

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Solution

The fourth proportional to 371,740.93, 512,985.76 and 210,592.69 is: 290,608.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,740.93 : 512,985.76 = 210,592.69 : x
  2. Step 2: Convert to fraction form
    371,740.93/512,985.76 = 210,592.69/x
  3. Step 3: Cross multiply
    371,740.93x = 512,985.76 × 210,592.69
  4. Step 4: Simplify right side
    371,740.93x = 108,031,051,130.09
  5. Step 5: Solve for x
    x = 108,031,051,130.09/371,740.93
  6. Step 6: Final answer
    x = 290,608.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.