Home / 1,709,158.60-2,562,134.10-644,915.80

Finding the Fourth Proportional to 1,709,158.60, 2,562,134.10 and 644,915.80

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Solution

The fourth proportional to 1,709,158.60, 2,562,134.10 and 644,915.80 is: 966,768.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,158.60 : 2,562,134.10 = 644,915.80 : x
  2. Step 2: Convert to fraction form
    1,709,158.60/2,562,134.10 = 644,915.80/x
  3. Step 3: Cross multiply
    1,709,158.60x = 2,562,134.10 × 644,915.80
  4. Step 4: Simplify right side
    1,709,158.60x = 1,652,360,762,808.78
  5. Step 5: Solve for x
    x = 1,652,360,762,808.78/1,709,158.60
  6. Step 6: Final answer
    x = 966,768.54

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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.