Home / 910,743.12-1,365,803.64-573,575.76

Finding the Fourth Proportional to 910,743.12, 1,365,803.64 and 573,575.76

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Solution

The fourth proportional to 910,743.12, 1,365,803.64 and 573,575.76 is: 860,167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,743.12 : 1,365,803.64 = 573,575.76 : x
  2. Step 2: Convert to fraction form
    910,743.12/1,365,803.64 = 573,575.76/x
  3. Step 3: Cross multiply
    910,743.12x = 1,365,803.64 × 573,575.76
  4. Step 4: Simplify right side
    910,743.12x = 783,391,860,823.77
  5. Step 5: Solve for x
    x = 783,391,860,823.77/910,743.12
  6. Step 6: Final answer
    x = 860,167.75

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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.