Home / 1,041,907.80-1,563,845.85-643,327.05

Finding the Fourth Proportional to 1,041,907.80, 1,563,845.85 and 643,327.05

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Solution

The fourth proportional to 1,041,907.80, 1,563,845.85 and 643,327.05 is: 965,598.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,907.80 : 1,563,845.85 = 643,327.05 : x
  2. Step 2: Convert to fraction form
    1,041,907.80/1,563,845.85 = 643,327.05/x
  3. Step 3: Cross multiply
    1,041,907.80x = 1,563,845.85 × 643,327.05
  4. Step 4: Simplify right side
    1,041,907.80x = 1,006,064,337,335.24
  5. Step 5: Solve for x
    x = 1,006,064,337,335.24/1,041,907.80
  6. Step 6: Final answer
    x = 965,598.24

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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.