Home / 1,423,807.30-2,132,600.55-1,105,768.90

Finding the Fourth Proportional to 1,423,807.30, 2,132,600.55 and 1,105,768.90

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Solution

The fourth proportional to 1,423,807.30, 2,132,600.55 and 1,105,768.90 is: 1,656,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,807.30 : 2,132,600.55 = 1,105,768.90 : x
  2. Step 2: Convert to fraction form
    1,423,807.30/2,132,600.55 = 1,105,768.90/x
  3. Step 3: Cross multiply
    1,423,807.30x = 2,132,600.55 × 1,105,768.90
  4. Step 4: Simplify right side
    1,423,807.30x = 2,358,163,364,312.89
  5. Step 5: Solve for x
    x = 2,358,163,364,312.89/1,423,807.30
  6. Step 6: Final answer
    x = 1,656,237.73

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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.