Home / 605,913.36-836,061.72-351,214.80

Finding the Fourth Proportional to 605,913.36, 836,061.72 and 351,214.80

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Solution

The fourth proportional to 605,913.36, 836,061.72 and 351,214.80 is: 484,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,913.36 : 836,061.72 = 351,214.80 : x
  2. Step 2: Convert to fraction form
    605,913.36/836,061.72 = 351,214.80/x
  3. Step 3: Cross multiply
    605,913.36x = 836,061.72 × 351,214.80
  4. Step 4: Simplify right side
    605,913.36x = 293,637,249,777.46
  5. Step 5: Solve for x
    x = 293,637,249,777.46/605,913.36
  6. Step 6: Final answer
    x = 484,619.20

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1.5x scale

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.