Home / 826,697.43-1,140,908.40-464,145.12

Finding the Fourth Proportional to 826,697.43, 1,140,908.40 and 464,145.12

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Solution

The fourth proportional to 826,697.43, 1,140,908.40 and 464,145.12 is: 640,557.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,697.43 : 1,140,908.40 = 464,145.12 : x
  2. Step 2: Convert to fraction form
    826,697.43/1,140,908.40 = 464,145.12/x
  3. Step 3: Cross multiply
    826,697.43x = 1,140,908.40 × 464,145.12
  4. Step 4: Simplify right side
    826,697.43x = 529,547,066,227.01
  5. Step 5: Solve for x
    x = 529,547,066,227.01/826,697.43
  6. Step 6: Final answer
    x = 640,557.29

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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.