Home / 877,090.20-1,314,614.70-403,823.40

Finding the Fourth Proportional to 877,090.20, 1,314,614.70 and 403,823.40

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Solution

The fourth proportional to 877,090.20, 1,314,614.70 and 403,823.40 is: 605,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,090.20 : 1,314,614.70 = 403,823.40 : x
  2. Step 2: Convert to fraction form
    877,090.20/1,314,614.70 = 403,823.40/x
  3. Step 3: Cross multiply
    877,090.20x = 1,314,614.70 × 403,823.40
  4. Step 4: Simplify right side
    877,090.20x = 530,872,177,843.98
  5. Step 5: Solve for x
    x = 530,872,177,843.98/877,090.20
  6. Step 6: Final answer
    x = 605,265.20

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1.5x scale

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.