Home / 1,356,681.52-1,872,126.84-753,022

Finding the Fourth Proportional to 1,356,681.52, 1,872,126.84 and 753,022

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Solution

The fourth proportional to 1,356,681.52, 1,872,126.84 and 753,022 is: 1,039,118.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,681.52 : 1,872,126.84 = 753,022 : x
  2. Step 2: Convert to fraction form
    1,356,681.52/1,872,126.84 = 753,022/x
  3. Step 3: Cross multiply
    1,356,681.52x = 1,872,126.84 × 753,022
  4. Step 4: Simplify right side
    1,356,681.52x = 1,409,752,697,310.48
  5. Step 5: Solve for x
    x = 1,409,752,697,310.48/1,356,681.52
  6. Step 6: Final answer
    x = 1,039,118.38

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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.