Home / 1,357,586.16-2,036,821.59-647,521.80

Finding the Fourth Proportional to 1,357,586.16, 2,036,821.59 and 647,521.80

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Solution

The fourth proportional to 1,357,586.16, 2,036,821.59 and 647,521.80 is: 971,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,586.16 : 2,036,821.59 = 647,521.80 : x
  2. Step 2: Convert to fraction form
    1,357,586.16/2,036,821.59 = 647,521.80/x
  3. Step 3: Cross multiply
    1,357,586.16x = 2,036,821.59 × 647,521.80
  4. Step 4: Simplify right side
    1,357,586.16x = 1,318,886,382,235.66
  5. Step 5: Solve for x
    x = 1,318,886,382,235.66/1,357,586.16
  6. Step 6: Final answer
    x = 971,493.69

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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.