Home / 418,233.51-630,501.44-391,173.03

Finding the Fourth Proportional to 418,233.51, 630,501.44 and 391,173.03

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Solution

The fourth proportional to 418,233.51, 630,501.44 and 391,173.03 is: 589,706.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,233.51 : 630,501.44 = 391,173.03 : x
  2. Step 2: Convert to fraction form
    418,233.51/630,501.44 = 391,173.03/x
  3. Step 3: Cross multiply
    418,233.51x = 630,501.44 × 391,173.03
  4. Step 4: Simplify right side
    418,233.51x = 246,635,156,748.30
  5. Step 5: Solve for x
    x = 246,635,156,748.30/418,233.51
  6. Step 6: Final answer
    x = 589,706.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.