Home / 614,631.36-921,936.06-235,449.30

Finding the Fourth Proportional to 614,631.36, 921,936.06 and 235,449.30

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Solution

The fourth proportional to 614,631.36, 921,936.06 and 235,449.30 is: 353,169.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,631.36 : 921,936.06 = 235,449.30 : x
  2. Step 2: Convert to fraction form
    614,631.36/921,936.06 = 235,449.30/x
  3. Step 3: Cross multiply
    614,631.36x = 921,936.06 × 235,449.30
  4. Step 4: Simplify right side
    614,631.36x = 217,069,199,971.76
  5. Step 5: Solve for x
    x = 217,069,199,971.76/614,631.36
  6. Step 6: Final answer
    x = 353,169.74

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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.