Home / 1,219,177.22-1,682,390.34-675,280.76

Finding the Fourth Proportional to 1,219,177.22, 1,682,390.34 and 675,280.76

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Solution

The fourth proportional to 1,219,177.22, 1,682,390.34 and 675,280.76 is: 931,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,177.22 : 1,682,390.34 = 675,280.76 : x
  2. Step 2: Convert to fraction form
    1,219,177.22/1,682,390.34 = 675,280.76/x
  3. Step 3: Cross multiply
    1,219,177.22x = 1,682,390.34 × 675,280.76
  4. Step 4: Simplify right side
    1,219,177.22x = 1,136,085,827,411.86
  5. Step 5: Solve for x
    x = 1,136,085,827,411.86/1,219,177.22
  6. Step 6: Final answer
    x = 931,846.34

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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.