Home / 697,701.60-1,046,552.40-690,703.20

Finding the Fourth Proportional to 697,701.60, 1,046,552.40 and 690,703.20

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Solution

The fourth proportional to 697,701.60, 1,046,552.40 and 690,703.20 is: 1,036,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,701.60 : 1,046,552.40 = 690,703.20 : x
  2. Step 2: Convert to fraction form
    697,701.60/1,046,552.40 = 690,703.20/x
  3. Step 3: Cross multiply
    697,701.60x = 1,046,552.40 × 690,703.20
  4. Step 4: Simplify right side
    697,701.60x = 722,857,091,647.68
  5. Step 5: Solve for x
    x = 722,857,091,647.68/697,701.60
  6. Step 6: Final answer
    x = 1,036,054.80

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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.