Home / 1,247,864.99-1,871,797.48-406,416.74

Finding the Fourth Proportional to 1,247,864.99, 1,871,797.48 and 406,416.74

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Solution

The fourth proportional to 1,247,864.99, 1,871,797.48 and 406,416.74 is: 609,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,864.99 : 1,871,797.48 = 406,416.74 : x
  2. Step 2: Convert to fraction form
    1,247,864.99/1,871,797.48 = 406,416.74/x
  3. Step 3: Cross multiply
    1,247,864.99x = 1,871,797.48 × 406,416.74
  4. Step 4: Simplify right side
    1,247,864.99x = 760,729,819,386.79
  5. Step 5: Solve for x
    x = 760,729,819,386.79/1,247,864.99
  6. Step 6: Final answer
    x = 609,625.10

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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.