Home / 824,555.68-1,140,177.36-654,494.56

Finding the Fourth Proportional to 824,555.68, 1,140,177.36 and 654,494.56

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Solution

The fourth proportional to 824,555.68, 1,140,177.36 and 654,494.56 is: 905,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,555.68 : 1,140,177.36 = 654,494.56 : x
  2. Step 2: Convert to fraction form
    824,555.68/1,140,177.36 = 654,494.56/x
  3. Step 3: Cross multiply
    824,555.68x = 1,140,177.36 × 654,494.56
  4. Step 4: Simplify right side
    824,555.68x = 746,239,879,555.16
  5. Step 5: Solve for x
    x = 746,239,879,555.16/824,555.68
  6. Step 6: Final answer
    x = 905,020.60

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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.