Home / 1,197,106.80-1,652,000.78-653,240.94

Finding the Fourth Proportional to 1,197,106.80, 1,652,000.78 and 653,240.94

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Solution

The fourth proportional to 1,197,106.80, 1,652,000.78 and 653,240.94 is: 901,468.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,106.80 : 1,652,000.78 = 653,240.94 : x
  2. Step 2: Convert to fraction form
    1,197,106.80/1,652,000.78 = 653,240.94/x
  3. Step 3: Cross multiply
    1,197,106.80x = 1,652,000.78 × 653,240.94
  4. Step 4: Simplify right side
    1,197,106.80x = 1,079,154,542,407.93
  5. Step 5: Solve for x
    x = 1,079,154,542,407.93/1,197,106.80
  6. Step 6: Final answer
    x = 901,468.89

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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.