Home / 1,178,102.80-1,767,154.20-617,064.40

Finding the Fourth Proportional to 1,178,102.80, 1,767,154.20 and 617,064.40

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Solution

The fourth proportional to 1,178,102.80, 1,767,154.20 and 617,064.40 is: 925,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,102.80 : 1,767,154.20 = 617,064.40 : x
  2. Step 2: Convert to fraction form
    1,178,102.80/1,767,154.20 = 617,064.40/x
  3. Step 3: Cross multiply
    1,178,102.80x = 1,767,154.20 × 617,064.40
  4. Step 4: Simplify right side
    1,178,102.80x = 1,090,447,946,130.48
  5. Step 5: Solve for x
    x = 1,090,447,946,130.48/1,178,102.80
  6. Step 6: Final answer
    x = 925,596.60

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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.