Home / 985,698.57-1,360,327.50-555,969.45

Finding the Fourth Proportional to 985,698.57, 1,360,327.50 and 555,969.45

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Solution

The fourth proportional to 985,698.57, 1,360,327.50 and 555,969.45 is: 767,273.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,698.57 : 1,360,327.50 = 555,969.45 : x
  2. Step 2: Convert to fraction form
    985,698.57/1,360,327.50 = 555,969.45/x
  3. Step 3: Cross multiply
    985,698.57x = 1,360,327.50 × 555,969.45
  4. Step 4: Simplify right side
    985,698.57x = 756,300,531,994.88
  5. Step 5: Solve for x
    x = 756,300,531,994.88/985,698.57
  6. Step 6: Final answer
    x = 767,273.64

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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.