Home / 1,262,560.28-1,894,106.40-409,565.33

Finding the Fourth Proportional to 1,262,560.28, 1,894,106.40 and 409,565.33

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Solution

The fourth proportional to 1,262,560.28, 1,894,106.40 and 409,565.33 is: 614,434.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,560.28 : 1,894,106.40 = 409,565.33 : x
  2. Step 2: Convert to fraction form
    1,262,560.28/1,894,106.40 = 409,565.33/x
  3. Step 3: Cross multiply
    1,262,560.28x = 1,894,106.40 × 409,565.33
  4. Step 4: Simplify right side
    1,262,560.28x = 775,760,312,771.11
  5. Step 5: Solve for x
    x = 775,760,312,771.11/1,262,560.28
  6. Step 6: Final answer
    x = 614,434.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.