Home / 817,341.24-1,224,417.78-461,278.20

Finding the Fourth Proportional to 817,341.24, 1,224,417.78 and 461,278.20

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Solution

The fourth proportional to 817,341.24, 1,224,417.78 and 461,278.20 is: 691,017.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,341.24 : 1,224,417.78 = 461,278.20 : x
  2. Step 2: Convert to fraction form
    817,341.24/1,224,417.78 = 461,278.20/x
  3. Step 3: Cross multiply
    817,341.24x = 1,224,417.78 × 461,278.20
  4. Step 4: Simplify right side
    817,341.24x = 564,797,229,606.40
  5. Step 5: Solve for x
    x = 564,797,229,606.40/817,341.24
  6. Step 6: Final answer
    x = 691,017.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.