Home / 986,430.40-1,361,273.80-533,721.44

Finding the Fourth Proportional to 986,430.40, 1,361,273.80 and 533,721.44

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Solution

The fourth proportional to 986,430.40, 1,361,273.80 and 533,721.44 is: 736,535.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,430.40 : 1,361,273.80 = 533,721.44 : x
  2. Step 2: Convert to fraction form
    986,430.40/1,361,273.80 = 533,721.44/x
  3. Step 3: Cross multiply
    986,430.40x = 1,361,273.80 × 533,721.44
  4. Step 4: Simplify right side
    986,430.40x = 726,541,012,770.27
  5. Step 5: Solve for x
    x = 726,541,012,770.27/986,430.40
  6. Step 6: Final answer
    x = 736,535.50

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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.