Home / 1,050,207.60-1,575,311.40-489,298.80

Finding the Fourth Proportional to 1,050,207.60, 1,575,311.40 and 489,298.80

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Solution

The fourth proportional to 1,050,207.60, 1,575,311.40 and 489,298.80 is: 733,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,207.60 : 1,575,311.40 = 489,298.80 : x
  2. Step 2: Convert to fraction form
    1,050,207.60/1,575,311.40 = 489,298.80/x
  3. Step 3: Cross multiply
    1,050,207.60x = 1,575,311.40 × 489,298.80
  4. Step 4: Simplify right side
    1,050,207.60x = 770,797,977,646.32
  5. Step 5: Solve for x
    x = 770,797,977,646.32/1,050,207.60
  6. Step 6: Final answer
    x = 733,948.20

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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.