Home / 1,566,145.72-2,160,767.10-877,717

Finding the Fourth Proportional to 1,566,145.72, 2,160,767.10 and 877,717

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Solution

The fourth proportional to 1,566,145.72, 2,160,767.10 and 877,717 is: 1,210,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,145.72 : 2,160,767.10 = 877,717 : x
  2. Step 2: Convert to fraction form
    1,566,145.72/2,160,767.10 = 877,717/x
  3. Step 3: Cross multiply
    1,566,145.72x = 2,160,767.10 × 877,717
  4. Step 4: Simplify right side
    1,566,145.72x = 1,896,542,016,710.70
  5. Step 5: Solve for x
    x = 1,896,542,016,710.70/1,566,145.72
  6. Step 6: Final answer
    x = 1,210,961.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.