Home / 1,503,872.12-2,075,359.50-815,545.32

Finding the Fourth Proportional to 1,503,872.12, 2,075,359.50 and 815,545.32

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Solution

The fourth proportional to 1,503,872.12, 2,075,359.50 and 815,545.32 is: 1,125,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,872.12 : 2,075,359.50 = 815,545.32 : x
  2. Step 2: Convert to fraction form
    1,503,872.12/2,075,359.50 = 815,545.32/x
  3. Step 3: Cross multiply
    1,503,872.12x = 2,075,359.50 × 815,545.32
  4. Step 4: Simplify right side
    1,503,872.12x = 1,692,549,727,542.54
  5. Step 5: Solve for x
    x = 1,692,549,727,542.54/1,503,872.12
  6. Step 6: Final answer
    x = 1,125,461.21

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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.