Home / 1,641,869.70-2,462,574.15-520,052.10

Finding the Fourth Proportional to 1,641,869.70, 2,462,574.15 and 520,052.10

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Solution

The fourth proportional to 1,641,869.70, 2,462,574.15 and 520,052.10 is: 780,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,869.70 : 2,462,574.15 = 520,052.10 : x
  2. Step 2: Convert to fraction form
    1,641,869.70/2,462,574.15 = 520,052.10/x
  3. Step 3: Cross multiply
    1,641,869.70x = 2,462,574.15 × 520,052.10
  4. Step 4: Simplify right side
    1,641,869.70x = 1,280,666,858,113.21
  5. Step 5: Solve for x
    x = 1,280,666,858,113.21/1,641,869.70
  6. Step 6: Final answer
    x = 780,005.17

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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.