Home / 885,670.86-1,222,190.51-523,211.11

Finding the Fourth Proportional to 885,670.86, 1,222,190.51 and 523,211.11

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Solution

The fourth proportional to 885,670.86, 1,222,190.51 and 523,211.11 is: 722,010.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,670.86 : 1,222,190.51 = 523,211.11 : x
  2. Step 2: Convert to fraction form
    885,670.86/1,222,190.51 = 523,211.11/x
  3. Step 3: Cross multiply
    885,670.86x = 1,222,190.51 × 523,211.11
  4. Step 4: Simplify right side
    885,670.86x = 639,463,653,368.57
  5. Step 5: Solve for x
    x = 639,463,653,368.57/885,670.86
  6. Step 6: Final answer
    x = 722,010.49

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Double scale
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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.