Home / 826,290.72-1,140,214.32-463,664.16

Finding the Fourth Proportional to 826,290.72, 1,140,214.32 and 463,664.16

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Solution

The fourth proportional to 826,290.72, 1,140,214.32 and 463,664.16 is: 639,819.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,290.72 : 1,140,214.32 = 463,664.16 : x
  2. Step 2: Convert to fraction form
    826,290.72/1,140,214.32 = 463,664.16/x
  3. Step 3: Cross multiply
    826,290.72x = 1,140,214.32 × 463,664.16
  4. Step 4: Simplify right side
    826,290.72x = 528,676,514,902.77
  5. Step 5: Solve for x
    x = 528,676,514,902.77/826,290.72
  6. Step 6: Final answer
    x = 639,819.02

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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.