Home / 813,126.31-1,122,113.19-450,573.64

Finding the Fourth Proportional to 813,126.31, 1,122,113.19 and 450,573.64

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Solution

The fourth proportional to 813,126.31, 1,122,113.19 and 450,573.64 is: 621,791.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,126.31 : 1,122,113.19 = 450,573.64 : x
  2. Step 2: Convert to fraction form
    813,126.31/1,122,113.19 = 450,573.64/x
  3. Step 3: Cross multiply
    813,126.31x = 1,122,113.19 × 450,573.64
  4. Step 4: Simplify right side
    813,126.31x = 505,594,624,510.31
  5. Step 5: Solve for x
    x = 505,594,624,510.31/813,126.31
  6. Step 6: Final answer
    x = 621,791.00

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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.