Home / 674,625.60-1,013,104.80-653,630.40

Finding the Fourth Proportional to 674,625.60, 1,013,104.80 and 653,630.40

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Solution

The fourth proportional to 674,625.60, 1,013,104.80 and 653,630.40 is: 981,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,625.60 : 1,013,104.80 = 653,630.40 : x
  2. Step 2: Convert to fraction form
    674,625.60/1,013,104.80 = 653,630.40/x
  3. Step 3: Cross multiply
    674,625.60x = 1,013,104.80 × 653,630.40
  4. Step 4: Simplify right side
    674,625.60x = 662,196,095,665.92
  5. Step 5: Solve for x
    x = 662,196,095,665.92/674,625.60
  6. Step 6: Final answer
    x = 981,575.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.