Home / 912,504.96-1,259,334.72-530,507.52

Finding the Fourth Proportional to 912,504.96, 1,259,334.72 and 530,507.52

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Solution

The fourth proportional to 912,504.96, 1,259,334.72 and 530,507.52 is: 732,145.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,504.96 : 1,259,334.72 = 530,507.52 : x
  2. Step 2: Convert to fraction form
    912,504.96/1,259,334.72 = 530,507.52/x
  3. Step 3: Cross multiply
    912,504.96x = 1,259,334.72 × 530,507.52
  4. Step 4: Simplify right side
    912,504.96x = 668,086,539,157.09
  5. Step 5: Solve for x
    x = 668,086,539,157.09/912,504.96
  6. Step 6: Final answer
    x = 732,145.65

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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.