Home / 1,641,856.70-2,462,554.65-520,039.10

Finding the Fourth Proportional to 1,641,856.70, 2,462,554.65 and 520,039.10

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Solution

The fourth proportional to 1,641,856.70, 2,462,554.65 and 520,039.10 is: 779,985.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,856.70 : 2,462,554.65 = 520,039.10 : x
  2. Step 2: Convert to fraction form
    1,641,856.70/2,462,554.65 = 520,039.10/x
  3. Step 3: Cross multiply
    1,641,856.70x = 2,462,554.65 × 520,039.10
  4. Step 4: Simplify right side
    1,641,856.70x = 1,280,624,703,886.82
  5. Step 5: Solve for x
    x = 1,280,624,703,886.82/1,641,856.70
  6. Step 6: Final answer
    x = 779,985.67

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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.