Home / 314,472.08-434,396.04-251,253.20

Finding the Fourth Proportional to 314,472.08, 434,396.04 and 251,253.20

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Solution

The fourth proportional to 314,472.08, 434,396.04 and 251,253.20 is: 347,068.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,472.08 : 434,396.04 = 251,253.20 : x
  2. Step 2: Convert to fraction form
    314,472.08/434,396.04 = 251,253.20/x
  3. Step 3: Cross multiply
    314,472.08x = 434,396.04 × 251,253.20
  4. Step 4: Simplify right side
    314,472.08x = 109,143,395,117.33
  5. Step 5: Solve for x
    x = 109,143,395,117.33/314,472.08
  6. Step 6: Final answer
    x = 347,068.63

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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.