Home / 1,413,075.89-2,120,512.94-514,430.30

Finding the Fourth Proportional to 1,413,075.89, 2,120,512.94 and 514,430.30

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Solution

The fourth proportional to 1,413,075.89, 2,120,512.94 and 514,430.30 is: 771,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,075.89 : 2,120,512.94 = 514,430.30 : x
  2. Step 2: Convert to fraction form
    1,413,075.89/2,120,512.94 = 514,430.30/x
  3. Step 3: Cross multiply
    1,413,075.89x = 2,120,512.94 × 514,430.30
  4. Step 4: Simplify right side
    1,413,075.89x = 1,090,856,107,878.08
  5. Step 5: Solve for x
    x = 1,090,856,107,878.08/1,413,075.89
  6. Step 6: Final answer
    x = 771,972.77

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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.