Home / 912,575.16-1,259,362.08-504,655.92

Finding the Fourth Proportional to 912,575.16, 1,259,362.08 and 504,655.92

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Solution

The fourth proportional to 912,575.16, 1,259,362.08 and 504,655.92 is: 696,429.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,575.16 : 1,259,362.08 = 504,655.92 : x
  2. Step 2: Convert to fraction form
    912,575.16/1,259,362.08 = 504,655.92/x
  3. Step 3: Cross multiply
    912,575.16x = 1,259,362.08 × 504,655.92
  4. Step 4: Simplify right side
    912,575.16x = 635,544,529,095.51
  5. Step 5: Solve for x
    x = 635,544,529,095.51/912,575.16
  6. Step 6: Final answer
    x = 696,429.79

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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.