Home / 909,755.70-1,365,617.70-573,176.40

Finding the Fourth Proportional to 909,755.70, 1,365,617.70 and 573,176.40

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Solution

The fourth proportional to 909,755.70, 1,365,617.70 and 573,176.40 is: 860,384.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,755.70 : 1,365,617.70 = 573,176.40 : x
  2. Step 2: Convert to fraction form
    909,755.70/1,365,617.70 = 573,176.40/x
  3. Step 3: Cross multiply
    909,755.70x = 1,365,617.70 × 573,176.40
  4. Step 4: Simplify right side
    909,755.70x = 782,739,837,062.28
  5. Step 5: Solve for x
    x = 782,739,837,062.28/909,755.70
  6. Step 6: Final answer
    x = 860,384.65

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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.