Home / 1,151,920.04-1,727,872.72-393,395.52

Finding the Fourth Proportional to 1,151,920.04, 1,727,872.72 and 393,395.52

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Solution

The fourth proportional to 1,151,920.04, 1,727,872.72 and 393,395.52 is: 590,090.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,920.04 : 1,727,872.72 = 393,395.52 : x
  2. Step 2: Convert to fraction form
    1,151,920.04/1,727,872.72 = 393,395.52/x
  3. Step 3: Cross multiply
    1,151,920.04x = 1,727,872.72 × 393,395.52
  4. Step 4: Simplify right side
    1,151,920.04x = 679,737,387,178.22
  5. Step 5: Solve for x
    x = 679,737,387,178.22/1,151,920.04
  6. Step 6: Final answer
    x = 590,090.77

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1.5x scale

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.