Home / 964,780.80-1,331,477.31-535,199.70

Finding the Fourth Proportional to 964,780.80, 1,331,477.31 and 535,199.70

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Solution

The fourth proportional to 964,780.80, 1,331,477.31 and 535,199.70 is: 738,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,780.80 : 1,331,477.31 = 535,199.70 : x
  2. Step 2: Convert to fraction form
    964,780.80/1,331,477.31 = 535,199.70/x
  3. Step 3: Cross multiply
    964,780.80x = 1,331,477.31 × 535,199.70
  4. Step 4: Simplify right side
    964,780.80x = 712,606,256,868.81
  5. Step 5: Solve for x
    x = 712,606,256,868.81/964,780.80
  6. Step 6: Final answer
    x = 738,619.86

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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.