Home / 749,075.75-1,033,724.54-409,544

Finding the Fourth Proportional to 749,075.75, 1,033,724.54 and 409,544

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Solution

The fourth proportional to 749,075.75, 1,033,724.54 and 409,544 is: 565,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,075.75 : 1,033,724.54 = 409,544 : x
  2. Step 2: Convert to fraction form
    749,075.75/1,033,724.54 = 409,544/x
  3. Step 3: Cross multiply
    749,075.75x = 1,033,724.54 × 409,544
  4. Step 4: Simplify right side
    749,075.75x = 423,355,683,009.76
  5. Step 5: Solve for x
    x = 423,355,683,009.76/749,075.75
  6. Step 6: Final answer
    x = 565,170.72

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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.