Home / 732,586.20-1,097,421.30-644,911.80

Finding the Fourth Proportional to 732,586.20, 1,097,421.30 and 644,911.80

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Solution

The fourth proportional to 732,586.20, 1,097,421.30 and 644,911.80 is: 966,084.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,586.20 : 1,097,421.30 = 644,911.80 : x
  2. Step 2: Convert to fraction form
    732,586.20/1,097,421.30 = 644,911.80/x
  3. Step 3: Cross multiply
    732,586.20x = 1,097,421.30 × 644,911.80
  4. Step 4: Simplify right side
    732,586.20x = 707,739,945,941.34
  5. Step 5: Solve for x
    x = 707,739,945,941.34/732,586.20
  6. Step 6: Final answer
    x = 966,084.19

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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.