Home / 1,624,875.04-2,435,721.72-678,516.40

Finding the Fourth Proportional to 1,624,875.04, 2,435,721.72 and 678,516.40

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Solution

The fourth proportional to 1,624,875.04, 2,435,721.72 and 678,516.40 is: 1,017,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,875.04 : 2,435,721.72 = 678,516.40 : x
  2. Step 2: Convert to fraction form
    1,624,875.04/2,435,721.72 = 678,516.40/x
  3. Step 3: Cross multiply
    1,624,875.04x = 2,435,721.72 × 678,516.40
  4. Step 4: Simplify right side
    1,624,875.04x = 1,652,677,132,856.21
  5. Step 5: Solve for x
    x = 1,652,677,132,856.21/1,624,875.04
  6. Step 6: Final answer
    x = 1,017,110.30

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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.