Home / 1,412,711.83-2,120,009.99-514,153.32

Finding the Fourth Proportional to 1,412,711.83, 2,120,009.99 and 514,153.32

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Solution

The fourth proportional to 1,412,711.83, 2,120,009.99 and 514,153.32 is: 771,572.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,711.83 : 2,120,009.99 = 514,153.32 : x
  2. Step 2: Convert to fraction form
    1,412,711.83/2,120,009.99 = 514,153.32/x
  3. Step 3: Cross multiply
    1,412,711.83x = 2,120,009.99 × 514,153.32
  4. Step 4: Simplify right side
    1,412,711.83x = 1,090,010,172,220.90
  5. Step 5: Solve for x
    x = 1,090,010,172,220.90/1,412,711.83
  6. Step 6: Final answer
    x = 771,572.91

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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.