Home / 1,395,886.68-1,925,833.07-912,734.64

Finding the Fourth Proportional to 1,395,886.68, 1,925,833.07 and 912,734.64

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Solution

The fourth proportional to 1,395,886.68, 1,925,833.07 and 912,734.64 is: 1,259,253.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,886.68 : 1,925,833.07 = 912,734.64 : x
  2. Step 2: Convert to fraction form
    1,395,886.68/1,925,833.07 = 912,734.64/x
  3. Step 3: Cross multiply
    1,395,886.68x = 1,925,833.07 × 912,734.64
  4. Step 4: Simplify right side
    1,395,886.68x = 1,757,774,549,282.87
  5. Step 5: Solve for x
    x = 1,757,774,549,282.87/1,395,886.68
  6. Step 6: Final answer
    x = 1,259,253.04

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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.