Home / 914,420.67-1,261,910.67-506,528.76

Finding the Fourth Proportional to 914,420.67, 1,261,910.67 and 506,528.76

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Solution

The fourth proportional to 914,420.67, 1,261,910.67 and 506,528.76 is: 699,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,420.67 : 1,261,910.67 = 506,528.76 : x
  2. Step 2: Convert to fraction form
    914,420.67/1,261,910.67 = 506,528.76/x
  3. Step 3: Cross multiply
    914,420.67x = 1,261,910.67 × 506,528.76
  4. Step 4: Simplify right side
    914,420.67x = 639,194,046,905.87
  5. Step 5: Solve for x
    x = 639,194,046,905.87/914,420.67
  6. Step 6: Final answer
    x = 699,015.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.