Home / 1,075,877.80-1,613,816.70-477,125.80

Finding the Fourth Proportional to 1,075,877.80, 1,613,816.70 and 477,125.80

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Solution

The fourth proportional to 1,075,877.80, 1,613,816.70 and 477,125.80 is: 715,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,877.80 : 1,613,816.70 = 477,125.80 : x
  2. Step 2: Convert to fraction form
    1,075,877.80/1,613,816.70 = 477,125.80/x
  3. Step 3: Cross multiply
    1,075,877.80x = 1,613,816.70 × 477,125.80
  4. Step 4: Simplify right side
    1,075,877.80x = 769,993,584,040.86
  5. Step 5: Solve for x
    x = 769,993,584,040.86/1,075,877.80
  6. Step 6: Final answer
    x = 715,688.70

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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.