Home / 465,926.40-699,545.70-288,779.40

Finding the Fourth Proportional to 465,926.40, 699,545.70 and 288,779.40

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Solution

The fourth proportional to 465,926.40, 699,545.70 and 288,779.40 is: 433,575.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,926.40 : 699,545.70 = 288,779.40 : x
  2. Step 2: Convert to fraction form
    465,926.40/699,545.70 = 288,779.40/x
  3. Step 3: Cross multiply
    465,926.40x = 699,545.70 × 288,779.40
  4. Step 4: Simplify right side
    465,926.40x = 202,014,387,518.58
  5. Step 5: Solve for x
    x = 202,014,387,518.58/465,926.40
  6. Step 6: Final answer
    x = 433,575.75

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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.