Home / 783,418.50-1,081,448.22-529,114.14

Finding the Fourth Proportional to 783,418.50, 1,081,448.22 and 529,114.14

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Solution

The fourth proportional to 783,418.50, 1,081,448.22 and 529,114.14 is: 730,400.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,418.50 : 1,081,448.22 = 529,114.14 : x
  2. Step 2: Convert to fraction form
    783,418.50/1,081,448.22 = 529,114.14/x
  3. Step 3: Cross multiply
    783,418.50x = 1,081,448.22 × 529,114.14
  4. Step 4: Simplify right side
    783,418.50x = 572,209,544,879.83
  5. Step 5: Solve for x
    x = 572,209,544,879.83/783,418.50
  6. Step 6: Final answer
    x = 730,400.86

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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.