Home / 440,550.36-608,057.28-249,669

Finding the Fourth Proportional to 440,550.36, 608,057.28 and 249,669

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Solution

The fourth proportional to 440,550.36, 608,057.28 and 249,669 is: 344,598.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,550.36 : 608,057.28 = 249,669 : x
  2. Step 2: Convert to fraction form
    440,550.36/608,057.28 = 249,669/x
  3. Step 3: Cross multiply
    440,550.36x = 608,057.28 × 249,669
  4. Step 4: Simplify right side
    440,550.36x = 151,813,053,040.32
  5. Step 5: Solve for x
    x = 151,813,053,040.32/440,550.36
  6. Step 6: Final answer
    x = 344,598.64

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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.