Home / 910,426.83-1,256,201.46-523,167.45

Finding the Fourth Proportional to 910,426.83, 1,256,201.46 and 523,167.45

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Solution

The fourth proportional to 910,426.83, 1,256,201.46 and 523,167.45 is: 721,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,426.83 : 1,256,201.46 = 523,167.45 : x
  2. Step 2: Convert to fraction form
    910,426.83/1,256,201.46 = 523,167.45/x
  3. Step 3: Cross multiply
    910,426.83x = 1,256,201.46 × 523,167.45
  4. Step 4: Simplify right side
    910,426.83x = 657,203,714,514.48
  5. Step 5: Solve for x
    x = 657,203,714,514.48/910,426.83
  6. Step 6: Final answer
    x = 721,863.30

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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.