Home / 314,821.18-434,619.35-252,896.32

Finding the Fourth Proportional to 314,821.18, 434,619.35 and 252,896.32

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Solution

The fourth proportional to 314,821.18, 434,619.35 and 252,896.32 is: 349,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,821.18 : 434,619.35 = 252,896.32 : x
  2. Step 2: Convert to fraction form
    314,821.18/434,619.35 = 252,896.32/x
  3. Step 3: Cross multiply
    314,821.18x = 434,619.35 × 252,896.32
  4. Step 4: Simplify right side
    314,821.18x = 109,913,634,215.79
  5. Step 5: Solve for x
    x = 109,913,634,215.79/314,821.18
  6. Step 6: Final answer
    x = 349,130.37

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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.