Home / 800,555.06-1,105,439.13-571,814.00

Finding the Fourth Proportional to 800,555.06, 1,105,439.13 and 571,814.00

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Solution

The fourth proportional to 800,555.06, 1,105,439.13 and 571,814.00 is: 789,584.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,555.06 : 1,105,439.13 = 571,814.00 : x
  2. Step 2: Convert to fraction form
    800,555.06/1,105,439.13 = 571,814.00/x
  3. Step 3: Cross multiply
    800,555.06x = 1,105,439.13 × 571,814.00
  4. Step 4: Simplify right side
    800,555.06x = 632,105,569,300.02
  5. Step 5: Solve for x
    x = 632,105,569,300.02/800,555.06
  6. Step 6: Final answer
    x = 789,584.13

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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.