Home / 885,929.09-1,222,503.67-493,432.10

Finding the Fourth Proportional to 885,929.09, 1,222,503.67 and 493,432.10

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Solution

The fourth proportional to 885,929.09, 1,222,503.67 and 493,432.10 is: 680,892.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,929.09 : 1,222,503.67 = 493,432.10 : x
  2. Step 2: Convert to fraction form
    885,929.09/1,222,503.67 = 493,432.10/x
  3. Step 3: Cross multiply
    885,929.09x = 1,222,503.67 × 493,432.10
  4. Step 4: Simplify right side
    885,929.09x = 603,222,551,193.62
  5. Step 5: Solve for x
    x = 603,222,551,193.62/885,929.09
  6. Step 6: Final answer
    x = 680,892.59

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1.5x scale

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.