Home / 1,624,875.54-2,435,722.47-678,516.90

Finding the Fourth Proportional to 1,624,875.54, 2,435,722.47 and 678,516.90

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Solution

The fourth proportional to 1,624,875.54, 2,435,722.47 and 678,516.90 is: 1,017,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,875.54 : 2,435,722.47 = 678,516.90 : x
  2. Step 2: Convert to fraction form
    1,624,875.54/2,435,722.47 = 678,516.90/x
  3. Step 3: Cross multiply
    1,624,875.54x = 2,435,722.47 × 678,516.90
  4. Step 4: Simplify right side
    1,624,875.54x = 1,652,678,859,604.74
  5. Step 5: Solve for x
    x = 1,652,678,859,604.74/1,624,875.54
  6. Step 6: Final answer
    x = 1,017,111.05

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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.