Home / 735,281.40-1,102,926.42-261,985.08

Finding the Fourth Proportional to 735,281.40, 1,102,926.42 and 261,985.08

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Solution

The fourth proportional to 735,281.40, 1,102,926.42 and 261,985.08 is: 392,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,281.40 : 1,102,926.42 = 261,985.08 : x
  2. Step 2: Convert to fraction form
    735,281.40/1,102,926.42 = 261,985.08/x
  3. Step 3: Cross multiply
    735,281.40x = 1,102,926.42 × 261,985.08
  4. Step 4: Simplify right side
    735,281.40x = 288,950,266,377.81
  5. Step 5: Solve for x
    x = 288,950,266,377.81/735,281.40
  6. Step 6: Final answer
    x = 392,979.16

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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.