Home / 823,044.64-1,135,582.56-565,000.50

Finding the Fourth Proportional to 823,044.64, 1,135,582.56 and 565,000.50

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Solution

The fourth proportional to 823,044.64, 1,135,582.56 and 565,000.50 is: 779,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,044.64 : 1,135,582.56 = 565,000.50 : x
  2. Step 2: Convert to fraction form
    823,044.64/1,135,582.56 = 565,000.50/x
  3. Step 3: Cross multiply
    823,044.64x = 1,135,582.56 × 565,000.50
  4. Step 4: Simplify right side
    823,044.64x = 641,604,714,191.28
  5. Step 5: Solve for x
    x = 641,604,714,191.28/823,044.64
  6. Step 6: Final answer
    x = 779,550.32

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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.