Home / 696,493.80-1,044,740.70-654,503.40

Finding the Fourth Proportional to 696,493.80, 1,044,740.70 and 654,503.40

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Solution

The fourth proportional to 696,493.80, 1,044,740.70 and 654,503.40 is: 981,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,493.80 : 1,044,740.70 = 654,503.40 : x
  2. Step 2: Convert to fraction form
    696,493.80/1,044,740.70 = 654,503.40/x
  3. Step 3: Cross multiply
    696,493.80x = 1,044,740.70 × 654,503.40
  4. Step 4: Simplify right side
    696,493.80x = 683,786,340,268.38
  5. Step 5: Solve for x
    x = 683,786,340,268.38/696,493.80
  6. Step 6: Final answer
    x = 981,755.10

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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.