Home / 710,459.40-1,064,770.48-531,562.80

Finding the Fourth Proportional to 710,459.40, 1,064,770.48 and 531,562.80

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Solution

The fourth proportional to 710,459.40, 1,064,770.48 and 531,562.80 is: 796,656.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,459.40 : 1,064,770.48 = 531,562.80 : x
  2. Step 2: Convert to fraction form
    710,459.40/1,064,770.48 = 531,562.80/x
  3. Step 3: Cross multiply
    710,459.40x = 1,064,770.48 × 531,562.80
  4. Step 4: Simplify right side
    710,459.40x = 565,992,377,706.14
  5. Step 5: Solve for x
    x = 565,992,377,706.14/710,459.40
  6. Step 6: Final answer
    x = 796,656.89

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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.