Home / 1,585,923.41-2,378,864.49-387,856.10

Finding the Fourth Proportional to 1,585,923.41, 2,378,864.49 and 387,856.10

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Solution

The fourth proportional to 1,585,923.41, 2,378,864.49 and 387,856.10 is: 581,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,923.41 : 2,378,864.49 = 387,856.10 : x
  2. Step 2: Convert to fraction form
    1,585,923.41/2,378,864.49 = 387,856.10/x
  3. Step 3: Cross multiply
    1,585,923.41x = 2,378,864.49 × 387,856.10
  4. Step 4: Simplify right side
    1,585,923.41x = 922,657,091,625.57
  5. Step 5: Solve for x
    x = 922,657,091,625.57/1,585,923.41
  6. Step 6: Final answer
    x = 581,779.10

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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.