Home / 1,145,505.70-1,717,821.15-346,521.70

Finding the Fourth Proportional to 1,145,505.70, 1,717,821.15 and 346,521.70

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Solution

The fourth proportional to 1,145,505.70, 1,717,821.15 and 346,521.70 is: 519,650.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,505.70 : 1,717,821.15 = 346,521.70 : x
  2. Step 2: Convert to fraction form
    1,145,505.70/1,717,821.15 = 346,521.70/x
  3. Step 3: Cross multiply
    1,145,505.70x = 1,717,821.15 × 346,521.70
  4. Step 4: Simplify right side
    1,145,505.70x = 595,262,305,193.96
  5. Step 5: Solve for x
    x = 595,262,305,193.96/1,145,505.70
  6. Step 6: Final answer
    x = 519,650.23

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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.