Home / 406,545.50-609,848.33-122,213.63

Finding the Fourth Proportional to 406,545.50, 609,848.33 and 122,213.63

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Solution

The fourth proportional to 406,545.50, 609,848.33 and 122,213.63 is: 183,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,545.50 : 609,848.33 = 122,213.63 : x
  2. Step 2: Convert to fraction form
    406,545.50/609,848.33 = 122,213.63/x
  3. Step 3: Cross multiply
    406,545.50x = 609,848.33 × 122,213.63
  4. Step 4: Simplify right side
    406,545.50x = 74,531,779,072.29
  5. Step 5: Solve for x
    x = 74,531,779,072.29/406,545.50
  6. Step 6: Final answer
    x = 183,329.49

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1.5x scale

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.