Home / 624,829.40-862,268.66-338,349.50

Finding the Fourth Proportional to 624,829.40, 862,268.66 and 338,349.50

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Solution

The fourth proportional to 624,829.40, 862,268.66 and 338,349.50 is: 466,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,829.40 : 862,268.66 = 338,349.50 : x
  2. Step 2: Convert to fraction form
    624,829.40/862,268.66 = 338,349.50/x
  3. Step 3: Cross multiply
    624,829.40x = 862,268.66 × 338,349.50
  4. Step 4: Simplify right side
    624,829.40x = 291,748,169,976.67
  5. Step 5: Solve for x
    x = 291,748,169,976.67/624,829.40
  6. Step 6: Final answer
    x = 466,924.52

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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.