Home / 697,487.80-1,046,231.70-655,497.40

Finding the Fourth Proportional to 697,487.80, 1,046,231.70 and 655,497.40

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Solution

The fourth proportional to 697,487.80, 1,046,231.70 and 655,497.40 is: 983,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,487.80 : 1,046,231.70 = 655,497.40 : x
  2. Step 2: Convert to fraction form
    697,487.80/1,046,231.70 = 655,497.40/x
  3. Step 3: Cross multiply
    697,487.80x = 1,046,231.70 × 655,497.40
  4. Step 4: Simplify right side
    697,487.80x = 685,802,159,147.58
  5. Step 5: Solve for x
    x = 685,802,159,147.58/697,487.80
  6. Step 6: Final answer
    x = 983,246.10

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Similar ratio
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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.